prerogative
prerogative (pri-rog-[schwa]-tiv), n. An exclusive right, power, privilege, or immunity, usu. acquired by virtue of office. — prerogative, adj. prerogative of mercy. The limited discretionary power of a supreme authority, such as a state governor, national president, or sovereign, to commute a death sentence, change the method of execution, or issue a pardon, esp. for […]