A benevolent dictatorship is a government in which an authoritarian leader exercises absolute political power over the state but is perceived to do so with regard for the benefit of the population as a whole.
"Elective dictatorship", also called "executive dominance" in political science, is a phrase describing the state in which a typical Westminster system state's parliament is dominated by the government of the day.
(Marxism) A socio-political power, as opposed to the dictatorship of the proletariat, wherein the bourgeoisie collectively holds the most influence over politics and the masses.