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badinage \bad-n-AHZH\, noun:

Light, playful talk; banter.

Badinage comes from French, from badiner, “to trifle, to joke,” badin, “playful, jocular.”

gustatory \GUS-tuh-tor-ee\, adjective:

Of or pertaining to the sense of taste.

Gustatory derives from Latin gustatus, “taste,” from gustare, “to taste, to take a little of.” Other words that have the same root include disgust and gusto (“vigorous and enthusiastic enjoyment”).

asperity \as-PAIR-uh-tee\, noun:

1. Roughness of surface; unevenness.
2. Roughness or harshness of sound; a quality that grates upon the ear.
3. Roughness of manner; severity; harshness.

Asperity comes from Latin asperitas, from asper, “rough.” It is related to exasperate, “to irritate in a high degree,” from ex- (here used intensively) + asperatus, past participle of asperare, “to roughen,” from asper.

vexillology \vek-sil-AHL-uh-jee\, noun:

The study of flags.

From Latin [ http://dictionary.reference.com/search?q=vexillum ]vexillum, “flag” + (Greek) [ http://dictionary.reference.com/search?q=-logy ]-logy (from logos, ” word, discourse”).

enervate \EN-ur-vayt\, transitive verb:

1. To deprive of vigor, force, or strength; to render feeble; to weaken.
2. To reduce the moral or mental vigor of.

Enervate is from the past participle of Latin enervare, “to remove the sinews from, to weaken,” from e-, ex-, “out of, from” + nervus, “sinew.”

chichi \SHEE-shee\, adjective:

Affectedly trendy.

From the French word that literally means “curl of false hair”; used figuratively in the phrases faire des chichis, “to have affected manners, to make a fuss”; and gens à chichis, “affected, snobbish people.” Sometimes spelled “chi-chi.”

philter \FIL-tur\, noun:

1. A potion or charm supposed to cause the person taking it to fall in love.
2. A potion or charm believed to have magic power.
3. To enchant or bewitch with or as if with a magic potion or charm.

Philter is derived from Greek philtron, from philein, “to love,” from philos, “dear, loving.”

aestival \ES-tuh-vuhl\, adjective:

Of or belonging to the summer; as, aestival diseases. [Spelled also [ http://dictionary.reference.com/search?q=estival ]estival.]

From the Latin æstas, summer. Also from æstas:

bruit \BROOT\, transitive verb:

To report; to noise abroad.

Bruit comes from Old French, from the past participle of bruire, “to roar.”

peregrination \pehr-uh-gruh-NAY-shun\, noun:

A traveling from place to place; a wandering.

Peregrination comes from Latin peregrinatio, from peregrinari, “to stay or travel in foreign countries,” from peregre, “in a foreign country, abroad,” from per, “through” + ager, “land.”