imprimatur /ˌɪmprɪˈmeɪtə/

• 1. 

  N-COUNT If something such as a position, policy, or course of action has someone's imprimatur, that person has given it their official approval, for example,by allowing their name to be associated with it. 许可; 批准 [usu poss N]

  例：

  ...a project bearing the president's imprimatur.

  ...一个有总统特许的项目。