Synonyms and related words :
beaming, blase, blissful, blithesome, boon, bright, bright and sunny, carefree, careless, casual, cheerful, cheery, chirk, chirpy, chirrupy, delighted, detached, elated, eupeptic, euphoric, exalted, exhilarated, flushed, gay, genial, glad, gladsome, gleeful, glowing, happy, happy-go-lucky, heedless, high, hopeful, in good spirits, in high spirits, indifferent, insouciant, irrepressible, jocund, jolly, jovial, joyful, joyous, jubilant, laughing, light-hearted, lighthearted, lightsome, merry, mirthful, of good cheer, optimistic, pleasant, radiant, riant, rosy, sanguine, sanguineous, smiling, sparkling, sunny, uncaring, unconcerned, winsome,