verifiable

capable of being proven as true or real we're not sure whether that's a verifiable hypothesis you need a verifiable letter from your doctor to file a claim for short-term disability Synonyms checkable, confirmable, demonstrable, empirical (also empiric), provable, supportable, sustainable Related Words certifiable, documentable, well-founded; defensible, excusable, justifiable, vindicable, warrantable; alleged, assumed, conjectured, guessed, presumed, surmised, suspected Near Antonyms debatable, disprovable, disputable, refutable Antonyms indemonstrable, insupportable, unprovable, unsupportable, unsustainable, unverifiable