sanction
sanc-tion
verb
To give official permission or approval for something.
"The committee sanctioned the new research project."
noun
Official permission or approval for an action or change.
"The council gave its sanction for the new building."
noun
A threatened penalty for disobeying a law or rule, often economic.
"Economic sanctions were imposed on the rogue state."
Thesaurus
Synonyms: sanctify, warrant, endorsement, imprimatur, indorsement, countenance, authorisation, authorization, authority, okay, approve, O.K.
Antonyms: disapprove, reject