probative

Furnishing evidence or proof.

Serving to test, try, or prove.

Serving to test or prove.

Pertaining to proof or demonstration: as, the probative force of evidence.

Serving for trial or proof; probationary

Tending to prove a particular proposition or to persuade someone of the truth of an allegation.

tending to prove a particular proposition or to persuade you of the truth of an allegation