(transitive) To ratify; to make valid. / (transitive) To give official authorization or approval to; to countenance. / (transitive) To penalize (a state etc.) with sanctions.

An approval, by an authority, generally one that makes something valid.

That can be sanctioned.

present participle of sanction

simple past tense and past participle of sanction

someone or something who sanctions

The quality of being sanctionable.

In a manner or to a degree that is sanctionable.

plural of sanctioneer

Synonym of sanctioner