WordWeb Online

1. Having or showing knowledge and skill and aptitude
   "a lesser-known but no less skilful composer"; "the effect was achieved by skilful retouching"; "skilful in handicrafts";
   - adept, expert, good, practiced [N. Amer], proficient, skillful [N. Amer], practised [Brit, Cdn]
    
2. Done with delicacy and skill
   "a skilful bit of craft";
   - nice, skillful [N. Amer], nifty [informal]

See also: precise, skilled