prerogative

An exclusive 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.

Despite being a constitutional monarchy, the British sovereign still retain many royal prerogatives.

The military fame of a subject was considered as an insolent invasion of the Imperial prerogative; and it became the duty, as well as interest, of every Roman general, to guard the frontiers intrusted to his care, without aspiring to conquests which might have proved no less fatal to himself than to the vanquished barbarians.

A right, especially when due to one's position or role.

I hear my chair in the hall; and to keep Lord Marchmont waiting, when he has announced his intention of supping at home, far exceeds my prerogative; so good night, dearest, you will either see or hear from me to-morrow.

"Ah, that's your prerogative as an Intelligence officer, Jimmy. But it's been your prerogative for weeks, months, and nothing has happened, as I told you […]"

A property, attribute or ability which gives one a superiority or advantage over others; an inherent advantage or privilege; a talent.

Having a hereditary or official right or privilege.

Characterized by lawless state actions, as in a prerogative state.

Law-eroding prerogative developments cannot only be witnessed in hybrid regimes, but also in democratic states, which resort to reflections and practices of an ‘enemy criminal law’, and in the European Union’s recent crisis politics.