1. 
[syn: adept, expert, good, practiced, proficient, skillful, skilful]
The Collaborative International Dictionary of English v.0.48:
Skilful \Skil"ful\, a.
   See Skilful.
   [1913 Webster]
WordNet (r) 3.0 (2006):
skilful
    adj 1: having or showing knowledge and skill and aptitude;
           "adept in handicrafts"; "an adept juggler"; "an expert
           job"; "a good mechanic"; "a practiced marksman"; "a
           proficient engineer"; "a lesser-known but no less
           skillful composer"; "the effect was achieved by skillful
           retouching" [syn: adept, expert, good, practiced,
           proficient, skillful, skilful]
Moby Thesaurus II by Grady Ward, 1.0:
19 Moby Thesaurus words for "skilful":
   able, accomplished, adept, adroit, apt, capable, clever, dexterous,
   experienced, expert, gifted, masterful, masterly, professional,
   proficient, qualified, skilled, talented, trained