A good list of good words

Absquatulate to make off, decamp. Absquatulation - the act of making off.
Abulia being incapable of making a decision
accag the sound your cat makes when it spits up a hairball. also the acronym for a service group in Vermont.
aesthetic rolls off the tongue and has to do with beauty
aestival of or pertaining to summer, I just like the "ae"
Alabaster  
allegedly rolls off one's tongue
Ambidextrous  
antepenultimate the one before the penultimate
anthropophagous Brings a whole new meaning to the epithet "bite me."
apophasis the device of mentioning something by stating that it will not be mentioned.
appypollyloggy  
azure pretty color, pretty word
bedebai Fun to say when there is an uncomfortable pause in conversation or when you have just accomplished a striven- for achievement.
beepilepsy The spasm your body goes through when your pager goes off.
Beguiling this word was popular back in the 20's and 30's as I have heard it quite a number of times when watching old action movie of that era.
bilateral myringotomy  
blah, blah, blah this is just fun to say over and over and over...until someone hits you over the head with a shovel.
blitzkrieg It makes a good exclamatory to be used like "Gadzooks!" or "My word!" It actually means war (or more accurately in history, 'lightning war). But it just sounds sooooo good.
Bogus Say the word and feel the contempt for something phony
bombastic Fabulous word. Denotes something that makes great and immediate impression. Great fun to say.
Borborygmy medical term for that growling noise your tummy makes. It's fun to say, and it sounds much worse than it is (try saying to someone, "I believe you're suffering from borborygmy-- maybe you should eat something")
Byzantine I could explain what it means, but it's too complicated.
Braggadocio love how is sounds, rolls off the tongue, and its ultimate definition of an arrogant braggart!
cacophony Riotous clamor or discordant noise. The terrible din of modern life.
Callipygian having shapely buttocks
cantaloupe looks, feels, sounds and tastes wonderful.
careen as in, the car lost its brakes and went careening down the road
Caterwaul a harsh cry or angry quarrel
Chewy go ahead and say it! Doesn't it sound so beautiful, so heavenly, so sweet, so....CHEWY!
chiaroscuro the contrast of light and darkness in a painting, but can also be used just in general. Like "Look at the chiaroscuro effect that couple has." It makes you sound very intellectual.
Chondrichthyes pronounced kon-drik-thees, and is a class of cartilaginous fishes, including sharks and rays, etc.
chuck-a-curly to fake an illness. So the next time you take a "sick day" away from work just tell your boss that you are chuck-a-curlying.
circumambulate
circumambulate It's good!! It's good! Say it! NOW! I found it in 6th grade. It means to wander around.
circumdition Same thing but only diff'rnt.
civil I prefer to use "civil" instead of polite. polite has become too hackneyed a word for my liking.
clepsydra  
clock it's gooooooooood. mightygood. clock.
colloquialism  
Condiments Just for fun, ask for these next time you go to McDonald's and watch the look on their faces.
countenance pertains to one's facial expression
crapulous Perfect word! Perfect sound! -- For how you feel the morning after
crumulent a savory tidbit; coined by Homer Simpson and especially, but not exculsively, applied to food. "That crumulent guy over there is eating a donut."
cylindrical it even sounds cylindrical when you say it.
debacle it makes an unfortunate event sound more serious
Debonair a swanky way to say 'swanky'
defenestrate v, to be thrown out of a window
dipsodic craving alcohol
dotage  
effluvium stuff, as in "Addicted to Effluvium"
Egregious  
enigma a mystery... I love how creepy it sounds when you say it right..!
Epiphany What you achieve when your brain goes, "Duh!"
erethic abnormal irritability
Ergo it's better than therefore, and there's a certain way to say it: "airgo"
Esurient very very hungry
euphemism  
euphoric  
Expignant It doesn't mean anything. I used it several times in a newsletter to see if anyone actually read my stuff. Nope! Not one person asked what it meant even though it had different meanings depending on context.
Extentual to extend
Farf A great word to say to someone who just said something completely moronic.
Festoon To drape loosely. It sounds great, especially if you use it out of context.
finial an ornament at the top of a spire, gable, etc.
firktoodling a wonderful word that means caressing or fondling
fisticuffs a delicate reference to a fist fight.
fixin' to as in "I'm fixin' do that job right now." An invaluable phrase that disarms criticism and implies far more industry and activity than any alternative.criticism
Flabbergasted causes one to guffaw
flitter something which apparently is very flat. "That steamroller ran over my hat and mashed it flatter than a flitter."
Floccin-
aucinihili-
pilification
the act or habit of estimating as worthless
flourish to prosper
Fortitude  
Frock meaning 'dress' mostly from the 1950's; for example, "Eunice wore a nice frock". Especially useful these days to bitchily put someone else down, for example "Love your frock, Gwyneth Paltrow!"
fulsome sounds like a compliment but means offensive to good taste, excessive, gross, disgusting, repulsive, insincerely lavish
fungible  
gibbous the shape of the moon when it's more than half-full but less than full
gingham  
Glom To eat quickly or hog.
Grandilloquism (gran dill' oh kwizm) A large word used where a smaller would do
grape  
Gription of or pertaining too the soles on one's shoes. "Gee these shoes have good Gription"
Grotesque But only if you pronounce it "grotaskew".
Heresy Great to shout at the top of one's lungs (also, "blasphemy!" and "sacrilege!" are great, too.)
idyomatic  
Incentify To motivate a consumer, retailer, sales rep, company, to purchase, use, repurchase, an item where they receive an value-added incentive to make it worth while
Infernal I was trying to load a Pez Dispenser the other day. I made a mistake putting them in, and they flew threw the air, breaking as they hit her ground. "Infernal PEZ!" I screamed, and got applause.
Infidel a truly great word for the opposition.
jurassic something old and 'unfashionable' -as in, "I can't believe you're still using a 286! That is soo jurassic!"
Kumquat an excellent word as well as an excellent fruit. The actual fruit is tart, tart, tart on the inside and the edible skin is sweet, sweet, sweet.
Lagniappe An extra measure for "smooth" business in old times, like a baker's dozen
Lascivious Kinda rolls off the tongue like a kiss
Lecherous it just SOUNDS like a slobbery dirty old man
limicolous means dwelling in mud
Limpopo A river in Africa. Kipling wrote of 'the great, grey, green, greasy Limpopo...'
Lollygagging and do it
lummox a clumsy, stupid person, but fun to say.
Luscious very pleasant to smell or taste
macabre It's malevolently delicious, ghastly, and vile.
maroon those big fat guys who have been lifting weights for year but have never really gotten in shape. Easily identifiable by chest hair, slicked hair and cheesy gold bracelets and chains.
mattress  
melanoma A lovely word albeit with a terrible meaning. It is a joy to roll off the tongue and has a certain almost Hawaiian flavor to it.
melbatoast  
Mellifluous  
mellifluous Rolls right off the tongue.
mendicant an alternate word for a bum
Merkin A pubic wig?! Also the given name of the US President in Dr Strangelove.
Metasequoia-
glyptostroboides
botanical name for the Dawn Redwood (thought extinct till the 1940's when it was rediscovered in China) Say it-- it's fun.
Methyl-
chloroisothia-
zolinone
a common ingredient in most shampoos.
milksop  
Monstrosity good to call someone this in your most horrified and disgusted voice.
mullet  
Mumbo Pocus Attributable to Frank Zappa
Mushu pork  
Neener Put your thumbs to your cheeks and wave your hands, now repeat after me: "Neener Neener" Now don't you feel better?
nepenthe a Greek drug said to have the power to eliminate sorrow
nonchalant  
oaf a large, bumbling person. (Sounds good also as oafish, oaflings, oafishly, etc.) ex: "Why is that large, blonde oaf staring at me?"
obersuperpanamatoll that's german, and it's about what it sounds like
obsequious It's safe to accuse anybody who is, of being so.
obstinate substitute for "stubborn"
obstreperous  
oid anything-oid. For example, "My hair gets the frizz-oids when I go out in the rain."
oligodendroglia a type of cell in the Central Nervous System. mmmmm -- say it -- yummy!
Onomatopoeia Happy-poetic word. You can skip it and sing it. You can SPLISH SPLASH CRASH BASH MASH CRUNCH and BOING it too.
oophyte  
Pacheyscephelo-
saurus
pronounced packEESefellowsAUrus a Dinosaur
Pecksniffian Hypocritically benevolent. It's just a great word to say.
Pedantic A friend was once told, by a grade school teacher, that he was pedantic. He cried all the way home, until he was told to look it up!
pepo some sort of fruit. commonly used to refer to someone glittery.
Perdictity too fussy for fussy. As in don't be so perdictity.
Perpendicular  
Perspective An evolutionary word that works
petunia a tropical herb (according to maven) I think it's a pretty flower (from joyce)
phantasmagoric I love this word because it sounds so sexual but it's not
picaroon a logger's tool (steel pick at the end of a wooden pole)
Pleonasm a phrase that uses more words than necessary
plethora  
Plethora and Ennui Viewing the vast assembly of teenagers in the Auditorium during a lecture on Economic trends, I noted a plethora of ennui. Just makes your lips pucker up, doesn't it?
Pneumo-
noultra-
microscopic-
silicovolcano-
coniosis
a lung disease gotten from breathing teensy-weensy volcanic dust particles
Pompous  
portly  
prestidigitation a tricky way to say legerdemain
puerile synonymous to the word 'childish'
pulchritude because it doesn't seem to match its definition.
putupwithable able to put up with something
Quagmire just a personal favorite. Sounds like its definition.
Quixotic A sure winner within a certain class of sucker bar bets. As in, "to wax quixotic"
reciprocity  
rustoleum I have always loved saying the word "rustoleum" I don't know why, it just sounds cool
salacious  
Scarf as in " to scarf " : " I scarfed down the whole pizza , dude ".
schleck the beauty of it is that it's so multifunctional--"get the schleck out of my way," "what the schleck is that?". It can also mean kissing: "I saw them schlecking in a corner."
schmarnn folding pancake batter and whipped egg whites to form doughy balls by constant stirring in the frying pan as they cook. Serve with powdered sugar or syrup
scruple  
Scubalate A high school coaches word for goofing and looking cool at the same time, as in " Let's all SCUBALATE out to lunch a mite early y'all."
Sentient One who or that which is capable of feeling or perception. Conscious. The mind.
Severance a beautiful word describing a gruesome state
Shvitzing to sweat
skosh (pronounced with a long 0) a little less than a little bit, definitely less than a pinch. Better than saying "just a hair" Use it well, use it often. One of my all-time favorite measurements.
slipstream  
Sloop it's a kind of small sailing ship, and the word has this nice gliding sound, just the way a sloop glides through the water.
Slurp The word sounds, looks, and feels just like the action movie it describes
smock , over and over and over
solipsism belief that the self is the only reality
sophomoric describes one who displays haughtiness and over-confidence despite lack of knowledge
soporific sleep-inducing
spagurken it means geek
spiffy said with pursed lips
Splendiferous as my Grandfather would say, " Now that's a two-bit word, for shore "
spoon  
spunky It sounds energetic, vibrant and alive like what it actually describes.
Subunquis (SUB-UN-GWISS) The skin immediately under the fingernail. When you bend your fingernail back, it is the tearing of the nail from the subunquis that causes the pain.
Suss Which the OED says means a "slattern" or a "slut", but which current British slang means "to investigate". I just love saying "I'll suss it outfor you".
Susurrus this means a rustling or whispering sound. Very onomatopoeic.
swallowable meaning able to be swallowed. Kind of a tongue-twister, ain't it?
Sycophant so much more evocative than "brown-noser"
tautology overstating a point
tellurium Element 52. tel-LURE-ium. A good tongue-curling word.
tempestuous isn't it great? passionate, fun to say, basically a yummy word
Tentacle It dances it your mouth.
tergiversate (means to change opinions or defect (political), but I use it much like vacillate
thrust  
titillating  
Transmogrify to change or alter often with grotesque or humorous effect. My dad used to threaten us kids with this when we were playing up.
trilobyte Extinct arthropod. Say it fast. Say it again. Try to stop.
umfaloscepsis contemplating one's own belly button
Unctuous  
undawest this is what happens to someone who has done something against the law. Used in a sentence, it would sound like: 'You robbed the bank so I'm gonna undawest you!
uxorious  
Valkyriosis A condition brought by watching the entire "Ring Cycle" by Wagner over the course of a short period. Characteristic symptom: wearing winged helmets and shouting "Hoyotoho!".
vermiculite the stuff found in potting soil. "Vermiculite. Vermiculite. Vermiculite."
vespertilian of or pertaining to bats. It sounds sinister and rather sleek. And almost NOBODY knows what it means.
vestibule v., to delay departure from another's home, office, whatever, by standing just inside the door where one continues to talk at/with the person who wishes one would just LEAVE!
vulpine denotes a foxlike quality such as looking sleek or predatory.
wax grow slowly, gradually e.g. Her speech waxed eloquently.
Weiner I love to say "weiner." Weiner, Weiner, Weiner, Weiner
wrought made, fashioned, worked, completed by a craftsman
y'all A good and descriptive word when used by a Southerner; only marginally better than chewing tin foil when used by a Northerner.
yurt a circular domed tent of skins or felt stretched over a collapsible lattice framework and used by the Kirghiz and other Mongol nomads of Siberia; also a structure that resembles a yurt in size and design
Zircon  
zaftig slang "zaftig"