1) Carousal 2) Carouse 3) Celebration 4) Debauch 5) Debauchery 6) Festivities 7) Fun 8) Revel 9) Revels 10) Wassail 11) Whoopee 1) Conviviality 2) Cutting loose 3) Drinking and carousing 4) Festive time 5) Holiday partying 6) Jollification 7) Mardi gras doing 8) Merrymaking 9) Partying 10) Revel 11) Unrestrained merrymaking 
• (n.) The act of engaging in a revel; noisy festivity; reveling.
Rev'el·ry noun [ See Revel , intransitive verb & noun ] The act of engaging in a revel; noisy festivity; reveling. « And pomp and feast and revelry .» Milton. 
delight, pleasure
[SAT terms] unrestrained merrymaking[Intelligent words] unrestrained merrymaking