adj. Tending to prove a particular proposition or to persuade someone of the truth of an allegation.
the GNU version of the Collaborative International Dictionary of English
adj. Serving for trial or proof; probationary
The Century Dictionary and Cyclopedia
Serving to test or prove.
Pertaining to proof or demonstration: as, the probative force of evidence.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
adj. tending to prove a particular proposition or to persuade you of the truth of an allegation
Word Usage
"On the final point, rules of evidence, the administration would essentially allow all evidence to be presented if it was what they call probative value or had some meaning to prove a case."