The Oxford Thesaurus An A-Z Dictionary of Synonyms - reign n.

1) rule, sovereignty, ascendancy, power, hegemony, influence, command, suzerainty, administration, jurisdiction, leadership, government, direction, control, domination, mastery; kingdom, monarchy, empire: During her reign, the kingdom saw its greatest prosperity. --v. 2) rule, control, command, govern, lead, direct, dominate, supervise, manage, hold sway, wear the crown, wield the sceptre, occupy the throne, Colloq run the show, rule the roost, Slang call the shots: During the sixth Egyptian dynasty, Pepi II Nefektare reigned for 94 years, the longest in recorded history. 3 prevail, be or become prevalent, predominate, hold sway, obtain, be or become rampant, be or become universal: An argument broke out, which developed into a fist fight, and soon pandemonium reigned.