gala

[1]	gala affair , Fte/fete , festival , jamboree , blowout , festivity , feast , celebration , event , red-letter day , holiday , holy day , carnival , occasion , happening , event , pageant , party , ball , field-day

adj.

[1]	merry , festive , joyful , joyous , gleeful , jovial , gay , celebratory , jolly , convivial , happy , cheerful , cheery