Confidently

(adv.) With confidence; with strong assurance; positively.

Thesaurus Entries

affably, agreeably, airily, amiably, amicably, blissfully, blithely, cheerily, confidently, cordially, enjoyably, expectantly, fair, fondly, genially, gladly, graciously, gratifyingly, happily, hopefully, hopingly, irrepressibly, jauntily, joyfully, kindly, lightly, optimistically, pleasantly, pleasingly, pleasurably, sanguinely, satisfyingly, smilingly, with good cheer