confirmable

capable of being proven as true or real the theory was not confirmable, and eventually it had to be discarded in favor of one that was Synonyms checkable, verifiable, demonstrable, empirical (also empiric), provable, supportable, sustainableRelated Words certifiable, documentable, well-founded; defensible, excusable, justifiable, vindicable, warrantable; alleged, assumed, conjectured, guessed, presumed, surmised, suspectedNear Antonyms debatable, disprovable, disputable, refutableAntonyms indemonstrable, insupportable, unprovable, unsupportable, unsustainable, unverifiable