merrymaking

noun

1. the act of taking part gaily or enthusiastically in some festive or merry celebration.
2. a merry festivity; revel.

adjective

3. producing mirth; happy; festive.

noun

1. fun, revelry, or festivity

n.also merry-making, 1714; see merry + make (v.). Related: Merry-maker (1827).