ac·quit (?-kw?t?)tr.v. ac·quit·ted, ac·quit·ting, ac·quits 1. Law To find not guilty of a criminal offense.2. To conduct (oneself) in a specified manner: acquitted herself well during the interview.3. Archaic To release or discharge from an obligation, such as a debt.4. Obsolete To repay.[Middle English aquiten, from Old French aquiter : a-, to (from Latin ad-; see ad-) + quite, free, clear (from Medieval Latin quittus, variant of Latin qui?tus, past participle of qui?scere, to rest; see kwei?- in Indo-European roots).]ac·quit?ter n.American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.