acquit (v.) Look up acquit at Dictionary.com
early 13c., "to satisfy a debt" (either for oneself or on behalf of another), from Old French aquiter, acquiter "pay, pay up, settle a claim" (12c., Modern French acquitter), from a- "to" (see ad-) + quite "free, clear" (see quit (adj.)). Meanings "set free from charges" and "discharge one's duty" both recorded from late 14c. Related: Acquitted; acquitting.