Synonyms of gaily

2 Syllables
gladly, smartly, joyously, buoyantly
3 Syllables
cheerily, brilliantly, merrily, jocundly, cheerfully, jauntily, showily, splendidly, flamboyantly, flashily, stylishly, jovially, mirthfully, playfully, happily, blissfully, blithely, gleefully, joyfully, glowingly, laughingly, smilingly, sparklingly
4 Syllables
acquiescently, enchantedly, colorfully, spiritedly, contentedly, elatedly, exultantly, hilariously, lightheartedly, vivaciously, sportively
5 Syllables
beatifically, ecstatically
6 Syllables
paradisiacally, exhilaratingly