To absolve (someone else) of wrongdoing, especially by standing as an equivalent.
To make reparation, compensation, amends or satisfaction for an offence, crime, mistake or deficiency.
To make something that was wrong become right; to remove error from.
To discipline; to punish.
To inform (someone) of their error.
To grade (examination papers).
A correct response.
Free from error; true; accurate.
With good manners; well behaved; conforming with accepted standards of behaviour.
Used to indicate acknowledgement or acceptance.