Synonyms of joyfully

2 Syllables
gladly, joyously, buoyantly, gaily
3 Syllables
cheerily, brilliantly, merrily, jocundly, cheerfully, flashily, jovially, mirthfully, playfully, happily, blissfully, blithely, gleefully, laughingly, smilingly
4 Syllables
acquiescently, enchantedly, colorfully, contentedly, elatedly, exultantly, hilariously, lightheartedly, sportively, vivaciously
5 Syllables
beatifically, ecstatically
6 Syllables
paradisiacally, exhilaratingly