Incitatus Incitatus Incitatus () was the favored horse of Roman emperor Caligula (reigned 37–41 AD). According to legend, Caligula planned to make him a consul. His name is a Latin adjective meaning "swift" or "at full gallop". According to Suetonius, in the "Lives of the Twelve Caesars" (121 AD), Caligula planned to make Incitatus a consul, and that the horse would "invite" dignitaries to dine with him in a house outfitted with servants there to entertain such events. He also wrote that he had a stable of marble, with an ivory manger, purple blankets, and a collar of precious stones. Cassius
Roman emperor but only with Vespasian did "imperator" (emperor) become the official title by which the ruler of the Roman Empire was known. The word "princeps" (plural "principes"), meaning "first", was a republican term used to denote the leading citizen(s) of the state. It was a purely honorific title with no attached duties or powers. It was the title most preferred by Caesar Augustus as its use implies only primacy, as opposed to another of his titles, "imperator", which implies dominance. "Princeps", because of its republican connotation, was most commonly used to refer to the emperor in Latin (although the emperor's actual