Verb 1. wassail - celebrate noisily, often indulging in drinkingwassail - 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!"
jollify, make happy, make merry, make whoopie, racket, whoop it up, revel
fete, celebrate - have a celebration; "They were feting the patriarch of the family"; "After the exam, the students were celebrating"
carouse, roister, riot - engage in boisterous, drunken merrymaking; "They were out carousing last night"