List of happy synonyms and happy related words.
a propos, accepting, accidental, ad rem, adapted, addled, advantageous, advisable, applicable, apposite, appropriate, apropos, apt, at ease, auspicious, beaming, beatific, beatified, becoming, beery, befitting, bemused, beneficial, benign, benignant, besotted, blessed, blind drunk, blissful, blithe, blithesome, bright, bright and sunny, capering, casual, cheerful, cheery, chirping, civil, cock-a-hoop, cogent, comely, comfortable, composed, congruous, content, contented, convenient, convincing, correct, crapulent, crapulous, dancing, decent, decorous, delighted, desirable, dizzy, dovetailing, drenched, drunk, drunken, easy, easygoing, ecstatic, effective, effectual, efficacious, efficient, elated, eupeptic, euphoric, exalted, exhilarated, expedient, exuberant, exultant, fair, far-gone, favorable, favoring, feasible, felicitous, fit, fitted, fitten, fitting, flushed, flushed with joy, flustered, fortuitous, fortunate, fou, fructuous, full, full of promise, gay, geared, genial, genteel, giddy, glad, gladsome, gleeful, glorious, glowing, golden, good, gratified, high, hopeful, in good spirits, in high spirits, in liquor, in seventh heaven, incidental, inebriate, inebriated, inebrious, inspired, intoxicated, irrepressible, jolly, joyful, joyous, jubilant, just, just right, laughing, leaping, light-hearted, lighthearted, likely, lucky, maudlin, meet, mellow, merry, meshing, muddled, nappy, nice, of good cheer, of good comfort, of good omen, of happy portent, of promise, on cloud nine, on the button, opportune, optimistic, overjoyed, pat, pleasant, pleased, pleased as Punch, politic, profitable, promising, proper, propitious, prosperous, providential, purring, qualified, radiant, recommendable, reconciled, reeling, relevant, resigned, riant, right, ripe, rosy, sanguine, sanguineous, sans souci, satisfied, seasonable, seemly, shikker, singing, smiling, smirking, sodden, sortable, sotted, sparkling, starry-eyed, suitable, suited, suiting, sunny, tailored, telling, thrice happy, thrilled, tickled pink, tiddly, timely, tipsy, to be desired, to the point, to the purpose, uncomplaining, under the influence, unrepining, urbane, useful, well, well-chosen, well-expressed, well-put, well-timed, winsome, wise, without care, worthwhile