prerogative
prerogative |priˈrägətiv; pəˈräg-|
noun
a right or privilege exclusive to a particular individual or class : owning an automobile was still the prerogative of the rich.
• a faculty or property distinguishing a person or class : it’s not a female prerogative to feel insecure.
• (also royal prerogative) the right of the sovereign, which in British law is theoretically subject to no restriction
