imprimatur
noun [ S ] formal uk/ˌɪm.prɪˈmeɪ.tər/ us/ˌɪm.prɪˈmeɪ.t̬ɚ/
（正式的）批准，认可
official permission to do something that is given by a person or group in a position of power
When he suspended the constitution and dissolved Congress, he had the imprimatur of the armed forces. 他中止宪法和解散国会的举动得到了军队的支持。
Synonym: endorsement
Compare: sanction nounwarrant noun