I. noun
1.
explicit authoritative permission or recognition that gives validity to acts of a subordinate
a colonial governor acting under the sanction of the king
Synonyms: endorsement, fiat
Related Word: approval, authorization, consent, permission; approbation, confirmation, encouragement, ratification, recommendation, support
Contrasted words: restraint; debarment; interdict, prohibition; disapprobation, disapproval, objection
Antonyms: interdiction
2.
Synonyms: permission , allowance, authorization, consent, leave, permit, sufferance
II. verb
Synonyms: approve 2, accredit, certify, endorse, OK ( or okay)
Related Word: authorize, commission, license
Contrasted words: ban, disallow, forbid, prohibit
Antonyms: interdict