Regnant

a.	1.	Exercising regal authority; reigning; as, a queen regnant.
	2.	Having the chief power; ruling; predominant; prevalent.

Adj.

1.

regnant - exercising power or authority Synonyms: reigning, ruling

REGNANT. One having authority as a king; one in the exercise of royal authority.

ascendant, at the head, average, besetting, boss, chief, commanding, common, controlling, current, dominant, epidemic, general, governing, head, hegemonic, hegemonistic, in ascendancy, in charge, in chief, in the ascendant, leading, master, normal, on the throne, ordinary, overbearing, pandemic, paramount, popular, predominant, predominate, predominating, prepollent, preponderant, preponderate, prepotent, prevailing, prevalent, rampant, regulating, regulative, regulatory, reigning, rife, routine, ruling, running, sovereign, standard, stereotyped, supreme, swaying, usual, widespread