Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.


Then devise some means of acquainting his friends of his whereabouts.

He had telegraphed to her, acquainting her with his defeat, and telling her to expect his return.

He immediately wrote a letter to her, acquainting her with his arrival.

Of acquainting him with the Business during his Apprenticeship.

When it was done, she posted a note to Heriot, acquainting him with her intention.

He wrote a letter to his friend, Ralph Richmond, acquainting him of this fact.

We have said that it became the means of acquainting them with the language of the land.

Her mother lost no time in acquainting me with this distressing fact.

Obeying an unformed policy, David refrained from acquainting her with the truth.

The king lost no time in acquainting the diet with his demands.


early 13c., from Old French acointier "make known, make acquaintance of," from Vulgar Latin accognitare "to make known," from Latin accognitus "acquainted with," past participle of accognoscere "know well," from ad- "to" (see ad-) + cognitus, past participle of cogniscere "come to know," from com- "with" (see com-) + gnoscere "know" (see notice). Originally reflective, "to make oneself known;" sense of "to gain for oneself personal knowledge of" is from early 14c. Related: Acquainted; acquainting.