The DICT Development Group

  43 Moby Thesaurus words for "happily":
     agreeably, airily, blessedly, blissfully, blithely, cheerfully,
     cheerily, delightedly, ecstatically, elatedly, enthusiastically,
     exultantly, favorably, fortunately, gaily, genially, gladly,
     gleefully, heartily, hopefully, irrepressibly, jauntily, joyfully,
     jubilantly, lightly, luckily, merrily, opportunely, optimistically,
     peaceably, pleasantly, propitiously, prosperously, providentially,
     rapturously, rhapsodically, satisfyingly, smilingly, successfully,
     swimmingly, willingly, with good cheer, with pleasure