1. (adv.) From the heart; with all the heart; with sincerity.

2. (adv.) With zeal; actively; vigorously; willingly; cordially; as, he heartily assisted the prince.

actively agreeably amiably amicably animatedly ardently arm in arm breathlessly briskly con brio congenially cordially deafeningly devotedly devoutly earnestly energetically enthusiastically excitedly exuberantly familiarly favorably fervently fervidly firmly forcefully forcibly friendliwise friendly gaily genially glowingly hand in hand heart and soul heatedly impassionedly imperviously impregnably intensely intently intimately invincibly invulnerably irresistibly keenly kindly loudly lustily mightily passionately perfervidly pleasantly powerfully pungently resistantly robustly ruggedly seriously sincerely soundly spiritedly stalwartly staunchly stoutly strenuously strongly sturdily unyieldingly vehemently vigorously vivaciously warmly with elan with gusto with open arms with pep with zest zealously zestfully