Synonyms and related words :
absolute, arrogant, ascendant, authoritarian, authoritative, authorized, autocratic, big, big-league, big-name, big-time, bigwig, bigwigged, bloated, charismatic, charming, clothed with authority, commanding, competent, consequential, considerable, conspicuous, controlling, critical, distinctive, distinguished, dominant, double-barreled, duly constituted, earthshaking, effective, effectual, efficacious, eminent, empowered, enchanting, essential, estimable, ex officio, exceptional, famous, first-class, first-rate, foremost, formidable, front-page, governing, grand, grave, great, heavyweight, hegemonic, hegemonistic, high-powered, high-ranking, imperative, impressive, in the limelight, influential, leading, magisterial, magnetic, major, marked, material, meaningful, memorable, mighty, momentous, monocratic, name, notable, noted, noteworthy, noticeable, official, outstanding, personable, persuasive, pontifical, portentous, potent, powerful, preeminent, prestigious, prominent, puffy, puissant, ranking, remarkable, reputable, respected, ruling, salient, self-important, senior, signal, significant, strong, stuffy, suasive, substantial, superior, supreme, telling, to the front, top-level, top-notch, totalitarian, unusual, urgent, valuable, vital, weighty, winning, world-shaking, worthwhile, worthy