cheerful

adj

1. cheery, full of cheer, gay, sunny, in good or high spirits; blithe, blithesome, light-hearted, lightsome, buoyant, optimistic, positive, Inf. upbeat, beamish; debonair, free and easy, carefree, easygoing, breezy, airy, happy-go-lucky, untroubled; genial, convivial, amiable, good-natured, friendly; jovial, merry, jocund, jolly, mirthful, hilarious; riant, laughing, smiling, happy as a lark; joyful, joyous, jubilant, rejoicing, gleeful; exultant, in seventh heaven, elated, overjoyed, thrilled, exhilarated.

2. animated, alive, lively, Chiefly U.S. Inf. chipper, jaunty, vivacious, sprightly, fresh; spirited, dynamic, energetic, vigorous, active, spry; frisky, playful, frolicsome, sportive, zestful; enthusiastic, enthused, eager, excited; Inf. full of pep, Inf. peppy, full of vim and vigor, bright-eyed and bushy-tailed; aglow, glowing, flushed, alight, lit up, bright, enlivened, shining, shiny; sparkling, ebullient, bubbling, bubbly, effervescent; happy, glad, blissful, beatific, pleased, delighted, Inf. tickled pink.

3. hearty, ungrudging, generous, whole-hearted, heartfelt, genuine, sincere, earnest.