A hereditary or official right or privilege. / A right, or power that is exclusive to a monarch etc, especially such a power to make a decision or judgement.

Having a hereditary or official right or privilege. / Characterized by lawless state actions, as in a prerogative state.

By prerogative.

plural of prerogative

(law) Abbreviation of prerogative.

(law) A class of writ that effects control over an inferior court or public authority.

plural of prerogative writ

plural of prerogative court

(historical) A court through which the discretionary powers, privileges, and legal immunities reserved to the sovereign were exercised.

A governmental system that exercises unlimited arbitrariness and violence unchecked by any legal guarantees.