Dynast

n.	1.	A ruler; a governor; a prince.
	2.	A dynasty; a government.

Noun

1.

dynast - a hereditary ruler

anointed king, chief, chieftain, crowned head, emperor, grand duke, high chief, imperator, king, king-emperor, kinglet, lord paramount, majesty, monarch, overlord, paramount, petty king, potentate, prince, prince consort, royal, royal personage, royalty, ruler, sovereign, suzerain, tetrarch