Prerogative means an exclusive right, privilege or power.
Prerogative is a noun.
Synonyms: licence, claim, warrant.
Antonyms: denial, restriction.
Being self-employed at ISC it gives me the prerogative to choose my own hours.
The teacher gave Mr.Ravi the dubious prerogative of choosing his own punishment.
Exotic vacations, big mansions, and fine jewelry are prerogatives of the wealthy people.