adept


adept (http://definr.com/adept)

     adj : 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: expert, good, practiced,
            proficient, skillful, skilful]
     n : someone who is dazzlingly skilled in any field [syn: ace,
         sensation, maven, virtuoso, genius, hotshot, star,
          whiz, whizz, wizard, wiz]