acquaint /əˈkweɪnt/verb 3adjective 1forms 5 verb3 •To furnish or give experimental knowledge of; to make (one) know; to make familiar.I think you should acquaint him with the realities of the situation. •(no longer used) To communicate notice to; to inform; let know.I must acquaint you, that I haue recciu'd New-dated Letters from Northumberland: — 1596 •(no longer used) To familiarize; to accustom.October 2 1642, Isaac Basire, letter to John Evelyn What success it may further have I shall acquaint you at my coming over adjective1 •(Scotland) Acquainted.[I]f you have skimmed through even a paragraph of my poor neglected little magnum opus you will know I am unusually acquaint with my inner workings. — 1992 formsacquainted · acquainting · acquainteth · acquaints · acquaintest