Synonyms for happily

modified

1. Fortunately

   gracefully, successfully, felicitously; see fortunately.

2. In a happy mood

   contentedly, joyously, exultantly, gladly, joyfully, cheerily, blithely, gaily, laughingly, smilingly, jovially, merrily, brightly, vivaciously, hilariously, sportively, chucklingly, mockingly, exhilaratingly, jauntily, with pleasure, delightedly, peacefully, blissfully, cheerfully, gleefully, playfully, heartily, lightheartedly, lightly, to one's delight, optimistically, with all one's heart, delightfully, with relish, with good will, buoyantly, in a happy manner, de bonne volonté, de bonne grace (both French), with zeal, with good grace, zestfully, of one's own accord, with open arms, sincerely, willingly, with willingness, heart and soul, in happy circumstances, with right good will, freely, graciously, con amore (Italian), tactfully, lovingly, without demur, without reluctance, devotedly, elatedly, agreeably, ex animo (Latin).

   Antonyms morosely, sadly*, dejectedly.