Able to be refuted.

synonyms: confutative, questionable, refutable.

Roget 479: confuting, confuted, etc. v.; capable of refutation; refutable, confutable^†, defeasible.    contravene (counter evidence) 468.    condemned on one's own showing, condemned out of one's own mouth.    ... show more

Polish: falsyfikowalny, podważalny