Gaiety

Noun

 * 1)  The state of being happy

Adjectives for Gaiety
fictitious; unfeigned; served; wild; airy; fortunate; exuberant; uncanny; bounding; fatigued; Inward; forced; brilliant; charming; facile; heedless; social; jaded; seeming; careless; prevalent; nimble; leaden; affectionate; bewitching; sparkling; teasing; surface; delirious; animating; exhausting; false; spurious; customary; ironical; childlike; mock; embarrassed; tempered; alternate; enticing; unearthly; wholehearted.

Thesaurus
animal spirits, animation, beatification, beatitude, bewitchment, blatancy, blessedness, bliss, blissfulness, blitheness, bravery, brazenness, bright color, brightness, brilliance, buoyancy, capersomeness, celebration, cheer, cheerfulness, cheeriness, chiffon, clinquant, cloud nine, color, colorfulness, coltishness, conviviality, crudeness, dash, dazzle, dazzlingness, delectation, delight, ecstasy, ecstatics, elan, elation, enchantment, entertainment, esprit, exaltation, exhilaration, extravagance, extravaganza, extravagation, exuberance, exultation, felicity, festivity, festoons, finery, flagrancy, flamboyance, flashiness, folderol, foofaraw, frilliness, frilling, frills, frills and furbelows, frippery, friskiness, frolicsomeness, froufrou, fuss, gamesomeness, garishness, gaudery, gaudiness, gayness, geniality, gilding, gilt, gingerbread, gladness, glare, glee, glitter, good cheer, good spirits, gorgeousness, gusto, happiness, heartiness, heaven, high spirits, hilarity, holiday-making, hoopla, intensity, intoxication, jauntiness, jazziness, joie de vivre, jollification, jollity, joviality, joy, joyance, joyfulness, joyousness, jubilation, larking, life, liveliness, loudness, luridness, mafficking, meretriciousness, merriment, merrymaking, mirth, mirthfulness, obtrusiveness, overhappiness, overjoyfulness, panache, paradise, paste, pinchbeck, piss and vinegar, playfulness, pleasantness, pleasure, pure color, racketing, radiance, rapture, ravishment, rejoicing, revel, reveling, revelment, revelry, revels, richness, rollicksomeness, rompishness, saturation, sensationalism, seventh heaven, shamelessness, showiness, skittishness, skylarking, spirit, spiritedness, spirits, sportiness, sportiveness, sprightliness, sunshine, superfluity, tawdriness, tinsel, transport, trappings, trickery, trumpery, unalloyed happiness, verve, vigor, vim, vitality, vivacity, vividness, vulgarness, whoopee, winsomeness, zest, zestfulness, zip

Etymology
From gaieté: from  gai: