Search Result for "potentate": 
Wordnet 3.0

NOUN (1)

1. a ruler who is unconstrained by law;
[syn: dictator, potentate]

The Collaborative International Dictionary of English v.0.48:

Potentate \Po"ten*tate\, n. [LL. potentatus, fr. potentare to exercise power: cf. F. potentat. See Potent, a.] One who is potent; one who possesses great power or sway; a prince, sovereign, or monarch. [1913 Webster] The blessed and only potentate. --1 Tim. vi. 15. [1913 Webster] Cherub and seraph, potentates and thrones. --Milton. [1913 Webster]
WordNet (r) 3.0 (2006):

potentate n 1: a ruler who is unconstrained by law [syn: dictator, potentate]
Moby Thesaurus II by Grady Ward, 1.0:

27 Moby Thesaurus words for "potentate": anointed king, chief, chieftain, crowned head, dynast, emperor, grand duke, high chief, imperator, king, king-emperor, kinglet, lord paramount, majesty, monarch, overlord, paramount, petty king, prince, prince consort, royal, royal personage, royalty, ruler, sovereign, suzerain, tetrarch
Bouvier's Law Dictionary, Revised 6th Ed (1856):

POTENTATE. One who has a great power over, an extended country; a sovereign. 2. By the naturalization laws, an alien is required, before he can be naturalized, to renounce all allegiance and fidelity to any foreign prince, potentate, state, or sovereign whatever.