UNAUTHORITATIVE Antonyms

• endorsed authoritatively as having met certain requirements

• fit to be certified as insane (and treated accordingly)

• holding appropriate documentation and officially on record as qualified to perform a specified function or practice a specified skill

• capable of being believed

• (a common but incorrect usage where `credulous' would be appropriate) credulous

• appearing to merit belief or acceptance

• worthy of reliance or trust

• worthy of being depended on

• consistent in performance or behavior

• financially safe

• brought about or set up or accepted; especially long established

• settled securely and unconditionally

• conforming with accepted standards

• shown to be valid beyond a reasonable doubt

• introduced from another region and persisting without cultivation

• having official authority or sanction

• of or relating to an office

• a worker who holds or is invested with an office

• someone who administers the rules of a game or sport

• verified officially

• conforming to set usage, procedure, or discipline

• (of a church) given official status as a national or state institution

• established beyond doubt

• generally approved or compelling recognition

• provided with a secure reputation

• worthy of reliance or trust

• worthy of being depended on

• conforming to fact and therefore worthy of belief

• worthy of trust or belief

• taking responsibility for one's conduct and obligations

• well grounded in logic or truth or having legal force

• still legally acceptable