1. any factual evidence that helps to establish the truth of something; - Example: "if you have any proof for what you say, now is the time to produce it" [syn: proof, cogent evidence]
WordNet (r) 3.0 (2006):
cogent evidence
n 1: any factual evidence that helps to establish the truth of
something; "if you have any proof for what you say, now is
the time to produce it" [syn: proof, cogent evidence]