adept
adjective (əˈdɛpt) 1 very proficient in something requiring skill or manual dexterity
2 skilful; expert
▷ noun (ˈædɛpt) 3 a person who is skilled or proficient in something
[C17: from Medieval Latin adeptus, from Latin adipiscī to attain, from ad- to + apiscī to attain]
> aˈdeptly adverb
> aˈdeptness noun