To check or adjust by comparison with a standard.
To measure the caliber of a tube or gun.
To mark the scale of a measuring instrument.
To grade (examination papers).
To make something that was wrong become right; to remove error from.
To discipline; to punish.
To inform (someone) of their error.
A correct response.
Used to indicate acknowledgement or acceptance.
Free from error; true; accurate.
With good manners; well behaved; conforming with accepted standards of behaviour.