The Collaborative International Dictionary of English v.0.48:
Inquisitively \In*quis"i*tive*ly\, adv. In an inquisitive manner. [1913 Webster] The occasion that made him afterwards so inquisitively apply himself to the study of physic. --Boyle. [1913 Webster]WordNet (r) 3.0 (2006):
inquisitively adv 1: with curiosity; "the baby looked around curiously" [syn: curiously, inquisitively, interrogatively]