sanction
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5. A penalty, specified or in the form of moral pressure, that acts to ensure compliance or conformity.
6. A coercive measure adopted usually by several nations acting together against a nation violating international law.
verb
sanctioned
[Middle English, enactment of a law, from Old French, ecclesiastical decree, from Latin sānctiō, sānctiōn-, binding law, penal sanction, from sānctus, holy. See