Joyfully

Adverb

 * 1) In a joyful manner; joyously

Thesaurus
airily, blessedly, blissfully, blithely, cheerfully, cheerily, delightedly, ecstatically, elatedly, exultantly, genially, gladly, happily, hopefully, irrepressibly, jauntily, jubilantly, lightly, optimistically, pleasantly, rapturously, rhapsodically, smilingly, with good cheer, with pleasure