PROFICIENT

proficient. Proficient, n. one who makes improvement

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Pro‐fi″cient (?), n. [[L. proficiens, -entis, p. pr. of proficere to go forward, make progress; pro forward + facere to make. See Fact, and cf. Profit, (�)]] One who has made considerable advances in any business, art, science, or branch of learning; an expert; an adept; as, proficient in a trade; a proficient in mathematics, music, etc.