Proficient, n.
Etymology: [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.
1 other Webster entry under this spelling
Proficient, a.
Well advanced in any branch of knowledge or skill; possessed of considerable acquirements; well-skilled; versed; adept,
Shades of meaning
Fernald has no entry of its own for proficient; he lists it under skilful.
He lists it without comment; the entries above explain its neighbors.