"Cogent evidence" refers to strong and convincing proof or information that is logical, supported by facts, and reasonable. It's evidence that makes a clear and compelling argument or case. Full definition
[27] The presumption of judicial integrity and impartiality is a high one, which can be rebutted only by cogent evidence. (slaw.ca)
Dasuki who insisted at the Federal High Court in Abuja on the need for him to consult records to give meaningful and cogent evidence in trial of former National Publicity Secretary of the PDP, Olisah Metuh on alleged N400m corruption charges brought against by government, said that all transaction in his office followed due process. (newsdiaryonline.com)
Regardless, it may be cogent evidence for a Tribunal to consider in equal pay claims, where the employer does not comply with the Regulations. (lawyer-monthly.com)