The Collaborative International Dictionary of English v.0.48:
Dexterously \Dex"ter*ous*ly\, adv. In a dexterous manner; skillfully. [1913 Webster]WordNet (r) 3.0 (2006):
dexterously adv 1: with dexterity; in a dexterous manner; "dextrously he untied the knots" [syn: dexterously, dextrously, deftly]