gaiety

noun

Etymology: Borrowed from Middle French gaieté, from gai. By surface analysis, gay + -ety.

1. The state of being happy or merry.

   “There was much gaiety at the ball.”

   “The decorations added greatly to the gaiety of the room.”

2. Merrymaking or festivity.

   “And he would tell her all sorts of wonders, old-world gaieties, long before she was born; and how finely the great Mr. [George Frideric] Handel played upon the harpischord^([sic]) in the Music Hall, and how his talk was in German, Latin, French, English, Italian, and half-a-dozen languages beside, […]”