dicˈtatorate [f. dictator + -ate1.] The office of a dictator. 1866Carlyle Inaug.Addr. 179 Oliver Cromwell's Protectorate, or Dictatorate if you will let me name it so.1868Goldw. Smith in Macm. Mag. Apr. 531/1 Cicero accepted and..served under the dictatorate of Cæsar.