authority
1 ascendancy, charge, command, control, direction, domination, dominion, force, government, influence, jurisdiction, might, power, prerogative, right, rule, say-so, strength, supremacy, sway, weight
2 the authorities administration
3 a blank cheque, authorization, justification, licence, permission, permit, sanction, say-so, warrant
4 arbiter, bible, connoisseur, expert, judge, master, professional, scholar, specialist, textbook
5 attestation, avowal, declaration, evidence, profession, say-so, statement, testimony, word