have something on good authority
to be able to believe a piece of information because you trust the person who told you it:
I have it on good authority that she's getting married.
Thesaurus: synonyms and related words
Not believing
- are my eyes deceiving me? idiom
- as if! idiom
- authority
- believe
- believe sth when you see it idiom
- denial
- I'll eat my hat idiom
- iconoclastic
- in your dreams! idiom
- incredulous
- is he/she for real? idiom
- joke
- Marines
- salt
- satisfied
- self-deception
- since when idiom
- take sth with a pinch of salt idiom
- tell me another one! idiom
- worship
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