Authority

Synonyms Power, command, mastery, dominance, rule, ascendancy, domination, sway, leverage, grip, pull, teeth, jurisdiction, control, charge, dominion, sovereignty, supremacy, influence, the upper hand, hold, clout, muscle, and drag.

Synonyms Authorization, power, prerogative, carte blanche, right, mandate, licence, and droit.

Synonyms Authorization, consent, sanction, dispensation, acquiescence, approval, approbation, imprimatur, the go-ahead, the OK, say-so, permission, leave, licence, assent, agreement, seal of approval, endorsement, clearance, the thumbs up, the green light, and permit.

Synonyms Officials, the people in charge, the administration, the bureaucracy, the police, the (men in) suits, officialdom, the government, the establishment, the system, the powers that be, and Big Brother.

Synonyms Influence, control, power, weight, standing, status, prestige, image, supremacy, eminence, position, credibility, integrity, trust, confidence, pull, sway, leverage, command, reputation, kudos, stature, gravitas, esteem, superiority, rank, station, plausibility, acceptance, faith, clout, and drag.

Synonyms Expert, professional, oracle, master, doyen, guru, scholar, aficionado, walking encyclopedia, buff, ace, whizz, dab hand, crackerjack, reference, citation, quote, passage, specialist, pundit, past master, maestro, adept, sage, connoisseur, one of the cognoscenti, bible, boffin, pro, wizard, maven, source, piece of documentation, quotation, and excerpt.