(n.) The act of engaging in a revel; noisy festivity; reveling.

ball banquet carousal celebration cheer conviviality feast festivity fun gaiety good cheer heartiness high jinks holiday-making hoopla jollification jollity joviality joyance jubilation larking mad round mafficking merriment merrymaking mirth partying racketing regale regalement revel reveling revelment revels round of pleasures skylarking spree treat wassail whoopee