ˈmæn.deɪt ˈmæn.deɪt ˈmæn.də.t(ə)ɹi ˈmæn.dəˌtɔ.ɹi assign authority to make mandatory the new director of the school board mandated regular tests the commission that is given to a government and its policies through an electoral victory assign under a mandate mandate a colony a document giving an official instruction or command a territory surrendered by Turkey or Germany after World War I and put under the tutelage of some other European power until they are able to stand by themselves