verifiably
Definitions
In a manner that can be proven to be true, accurate, or authentic.
In a way that is capable of being confirmed or substantiated by evidence.
Examples
The company's financial records are verifiably accurate and have been audited by a third party.
The historical document is verifiably authentic, dating back to the early eighteenth century.
Synonyms
demonstrably provably indisputably authentically evidently factually testably
Antonyms
questionably dubiously unprovenly allegedly supposedly uncertainly speculatively