- Adjective. Free from error; true; the state of having an affirmed truth.
- Adjective. With good manners; well behaved; conforming with accepted standards of behaviour.
- Verb. (transitive) To make something that was not valid become right. To remove error.
- Verb. (by extension, transitive) To grade (examination papers).
- Verb. (transitive) To inform (someone) of the latter's error.