[n] an organized series of acts and performances (usually in one place); "a drama festival" [n] a day or period of time set aside for feasting and celebration
fete
anniversary, banquet, birthday, blowout, carnival, celebration, commemoration, do, entertainment, fair, feast, festive occasion, festivity, fete, field day, fiesta, gala, gala affair, gala day, great doings, high jinks, holiday, holy day, jamboree, kermis