The Collaborative International Dictionary of English v.0.48:
Expertly \Ex*pert"ly\, adv. In a skillful or dexterous manner; adroitly; with readiness and accuracy. [1913 Webster]WordNet (r) 3.0 (2006):
expertly adv 1: in an expert manner; "he repaired the TV set expertly" [syn: expertly, like an expert] [ant: amateurishly]