Synonyms and related words :
armipotent, ascendant, at the head, authoritative, boss, chief, cogent, commanding, controlling, dominant, dynamic, effective, energetic, forceful, forcible, general, governing, head, hegemonic, hegemonistic, high-potency, high-powered, high-pressure, high-tension, in ascendancy, in charge, in chief, in force, in power, in the ascendant, irresistible, leading, master, mighty, mighty in battle, on the throne, operative, paramount, potent, powerful, predominant, predominate, prepollent, preponderant, preponderate, prevailing, prevalent, puissant, regnant, regulating, regulative, regulatory, reigning, ruling, sovereign, striking, strong, supreme, swaying, telling, valid, vigorous, vital