a.
1.
Showy, bright, fine, brilliant, dashing.
2.
Gaudy, flaunting, flashy, garish, tawdry, glittering, tinsel, loud ( colloq. ).
3.
Merry, lively, cheerful, gleeful, jovial, sprightly, blithe, blithesome, airy, sportive, frolicsome, gladsome, jolly, vivacious, hilarious, light-hearted.