1. (a.) Preferably; by choice.
2. (a.) With pleasure; joyfully; cheerfully; eagerly.
Thesaurus Entries
airily, blessedly, blissfully, blithely, cheerfully, cheerily, delightedly, ecstatically, elatedly, exultantly, genially, happily, hopefully, irrepressibly, jauntily, joyfully, jubilantly, lightly, optimistically, pleasantly, rapturously, readily, rhapsodically, smilingly, willingly, with good cheer, with pleasure
