Synonyms and related words :
Mardi Gras, Saturnalia, 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, party, picnic, red-letter day, waygoose, wayzgoose