imprimatur.
imprimatur /ˌimprəˈmädər imˈpriməˌt(y)o͝or/ I. noun 2. [in sing.]—a person's acceptance or guarantee that something is of a good standard • the original LP enjoyed the imprimatur of the composer.– origin mid 17th cent.: from Latin, ‘let it be printed’ from the verb imprimere
