Synonyms for Adept (same or very similar meaning)
WordNet sense 1 (someone who is dazzlingly skilled in any field):
ace, champion, genius, hotshot, maven, sensation, star, superstar, virtuoso, whiz, whizz, wiz, wizard, mavinWordNet sense 2 (having or showing knowledge and skill and aptitude):
expert, good, practiced, proficient, skilful, skillfulWordNet sense 3 (having or showing or requiring special skill):
skilledFrom the ODE community, based on WordNetadd/edit