informed

asiantunteva, asioihin perehtynyt (en-past of)
instructed Instructed; having knowledge of a fact or area of education.

An informed young man delivered a lecture on the history of modern art.

Another informed and sobering estimate is that by 1800 indigenous populations in the western hemisphere were a tenth of what they had been three centuries before.

after Nilus invndation, / Infinite shapes of creatures men do fynd, / Informed in the mud, on which the Sunne hath shynd.

(rfquotek)