party - an occasion on which people can assemble for social interaction and entertainment; "he planned a party to celebrate Bastille Day"

festivity, celebration - any joyous diversion

carnival - a festival marked by merrymaking and processions

Bacchanalia, Dionysia - an orgiastic festival in ancient Greece in honor of Dionysus (= Bacchus)

eisteddfod - any of several annual Welsh festivals involving artistic competitions (especially in singing)

film festival - a cinematic festival that features films (usually films produced during the past year)

jazz festival - a festival that features performances by jazz artists

Kwanzaa, Kwanza - a festival featuring African-American culture; celebrated between Christmas and New Years

Oktoberfest - an autumn festival that involves merrymaking and drinking beer

Saturnalia - an orgiastic festival in ancient Rome in honor of Saturn

sheepshearing - festival at the time of sheepshearing

get together, meet - get together socially or for a specific purpose

jubilate - celebrate a jubilee

jollify, make happy, make merry, make whoopie, racket, wassail, whoop it up, revel - celebrate noisily, often indulging in drinking; engage in uproarious festivities; "The members of the wedding party made merry all night"; "Let's whoop it up--the boss is gone!"

party - have or participate in a party; "The students were partying all night before the exam"

receive - have or give a reception; "The lady is receiving Sunday morning"