Synonyms of mirthfully

2 Syllables
gladly, brightly, buoyantly, gaily
3 Syllables
willingly, merrily, readily, cheerfully, pleasantly, genially, airily, jovially, playfully, happily, blithely, gleefully, joyfully
4 Syllables
hopefully, amusingly, facetiously, jocosely, elatedly, humorously, lightheartedly, sportively, vivaciously
5 Syllables
satirically, ironically
6 Syllables
optimistically