Synonyms and related words :
celebration, conviviality, elation, exultation, festivity, gaiety, high jinks, holiday-making, hoopla, jollification, jollity, joviality, jubilance, jubilation, jubilee, larking, mafficking, merriment, merrymaking, racketing, raucous happiness, rejoicing, revel, reveling, revelment, revelry, revels, show of joy, skylarking, triumph, wassail