THESAURUS
preponderant
arch, ascendant, at the head, banner, boss, capital, cardinal, central, champion, chief, commanding, controlling, crowning, dominant, first, focal, foremost, general, governing, great, head, headmost, hegemonic, hegemonistic, in ascendancy, in charge, in chief, in the ascendant, leading, magisterial, main, master, on the throne, overbearing, overruling, paramount, predominant, predominate, preeminent, prepollent, preponderate, prepotent, prevailing, prevalent, primal, primary, prime, principal, ranking, regnant, regulating, regulative, regulatory, reigning, ruling, sovereign, star, stellar, supereminent, supreme, swaying, topflight
ROGET THESAURUS
preponderant
Authority
N
authority, influence, patronage, power, preponderance, credit, prestige, prerogative, jurisdiction, right, direction, government, divine right, dynastic rights, authoritativeness, absoluteness, absolutism, despotism, jus nocendi, jus divinum, mastery, mastership, masterdom, dictation, control, hold, grasp, grip, gripe, reach, iron sway, fangs, clutches, talons, rod of empire, commission, deputy, permission, at the head, dominant, paramount, supreme, predominant,
preponderant, in the ascendant, influential, arbitrary, compulsory, stringent, at one's command, in one's power, in one's grasp, under control, in the name of, by the authority of, de par le Roi, in virtue of, under the auspices of, in the hands of, at one's pleasure, by a dash if the pen, by a stroke of the pen, ex mero motu, ex cathedra, from the chair, the gray mare the better horse, every inch a king.