Synonyms and related words :
ascendant, at the head, at the helm, at the reins, boss, chief, commanding, controlling, dominant, general, governing, head, hegemonic, hegemonistic, in ascendancy, in authority, in chief, in command, in control, in custody, in detention, in hold, in power, in the ascendant, in the saddle, leading, master, on the throne, overseeing, paramount, predominant, predominate, prepollent, preponderant, preponderate, prepotent, prevalent, regnant, regulating, regulative, regulatory, reigning, ruling, sovereign, superintendent, supervising, supervisory, supreme, under close arrest, under house arrest