To discharge completely, as from an accusation or obligation.
To conduct oneself, usually satisfactorily, especially in a formal setting.
The primary legal meaning of "acquit" is to free someone from a criminal charge by a verdict of not guilty. It implies a full release from the accusation or duty in question.
The term can also refer to how a person behaves or performs in a particular situation, often implying satisfactory or commendable conduct.
Author's summary:
"Acquit" primarily means to clear someone from a charge, but it can also describe how well someone carries out their duties or actions, especially in formal contexts.