cogent evidence is a noun meaning "any factual evidence that helps to establish the truth of something". It carries one recorded sense.
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”
Definitions, synonyms and semantic relations for cogent evidence come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.