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n.1.The quality of state of being proficient; advance in the acquisition of any art, science, or knowledge; progression in knowledge; improvement; adeptness; as, to acquire proficiency in music.
Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
References in periodicals archive ?
(34.) It is no less likely, however, that Shakespeare knew the principle points of the Meno or the Phaedo than that he knew those of the Ion, and the notion of anamnesis was certainly available in the period as a key principle of neoplatonic thought: in The Advancement of Learning, for example, Bacon tells James I that he is "the best instance to make a man of Platoes opinion, that all knowledge is but remembrance" (Francis Bacon, Of the proficience and advancement of learning [London: Henrie Tomes, 1605], A2).
"And this Proficience in nauigation, and discoueries, may plant also an expectation of the furder proficience, and augmentation of all Scyences, because it may seeme they are ordained by God to be Coevalls, that is, to meete in one Age" (Bacon 1605, Book II, page 15v, italics in original).