Definition of "acquittal"

(now rare) The act of fulfilling the duties (of a given role, obligation etc.).

(law) A legal decision that someone is not guilty with which they have been charged, or the formal dismissal of a charge by some other legal process.  examples

Payment of a debt or other obligation; reparations, amends.  examples

(historical) The act of releasing someone from debt or other obligation; acquittance.

(rare) Avoidance of danger; deliverance.