The Collaborative International Dictionary of English v.0.48:
Pleasantly \Pleas"ant*ly\, adv. In a pleasant manner. [1913 Webster]WordNet (r) 3.0 (2006):
pleasantly adv 1: in a cheerful manner; "`I'll do the dishes,' he said pleasantly" [syn: pleasantly, cheerily, sunnily] 2: in an enjoyable manner; "we spent a pleasantly lazy afternoon" [syn: pleasantly, agreeably, enjoyably] [ant: disagreeably, unpleasantly]