Prerog.

Noun

prerogative (plural prerogatives)

1. 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.1837, L[etitia] E[lizabeth] L[andon], “Reminiscences”, in Ethel Churchill: Or, The Two Brides. […], volume II, London: Henry Colburn, […], →OCLC, page 206
   1. An exclusive hereditary or official right or privilege.
   2. 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.
2. A property, attribute or ability which gives one a superiority or advantage over others; an inherent advantage or privilege; a talent.

See all 6 meanings of prerogative