= well-learned, adj. 1.

Having sound knowledge or a good education; fully versed or thoroughly instructed in a subject. Now somewhat archaic.

Of a person: mature in judgement, experienced, or informed in (also upon) a matter, quality, etc. Now somewhat rare.

Provided with much information, or with the information most pertinent or relevant to a particular matter; having or showing much knowledge about…

Of a person: well-read; learned, erudite. Also: well-versed or proficient in a subject. Now somewhat rare.

Experienced, versed, or learned in a subject, matter, etc., as a result of hard work or study. Frequently (and earliest) with preceding modifying…

predicatively. With preposition, as in, as, with, etc., introducing a subject, skill, activity, or place of activity, means of activity, etc. Also…

Of a person: In early use, that has been taught; instructed, educated. In later use with narrowed sense: Having profound knowledge gained by…

Of a person: experienced, versed, or informed in a subject by reading. Also read up (cf. to read up 2a at read, v. phrasal verbs). Only in…

In predicative use. Well-informed in a subject through reading. Also in extended use: †highly experienced in something (obsolete).

colloquial (originally U.S.). long on: well supplied with, having plenty of. Also in extended use: having great knowledge or command of (a…