probative

Meanings

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

Etymology

From Middle English probatiffe, from Old French probatif, from Latin probātīvus (“belonging to proof”), from Latin probare (“show, prove, demonstrate”) (See prove). Originally in terme probatiffe (“a period of time assigned for the proving of an allegation”). First attested in the mid-15th century.