Informed or familiar: Are you fully acquainted with the facts? (adjective)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "acquainted" in a sentence
"Henri de Lubac and Karol Wojtyla, who later became Pope, were already acquainted from the days of the Second Vatican Council and held one another in high esteem."
"Note: The travels of Bruce, illustrated by those of Mr. Salt, and the narrative of Nathaniel Pearce, have brought us again acquainted with this remote region."
"The work of Bach on the History of the Roman Jurisprudence, with which Gibbon was not acquainted, is far superior to that of"