stadtholderateEtymologyFrom stadtholder + -ate (forms nouns denoting rank or office, a state ruled by people of such office).stadtholderate means the office or position of a stadtholder. Lexicurio rates it Sui generis — a strength score of 87 out of 100.nounThe office or position of a stadtholder.“On his deathbed he sent for his younger half-brother, Frederic Henry, the prince who would undoubtedly succeed him in the stadholderate of five provinces and the command of the army.”A state ruled by a stadtholder.