Pro·fi·cient n. 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.
Pro·fi·cient a. Well advanced in any branch of knowledge or skill; possessed of considerable acquirements; well-skilled; versed; 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: adept, expert, good, practiced,