1. the quality of being clear, logical, and convincing

Examples

• The lawyer’s argument lacked cogency and failed to persuade the jury.
• She presented her case with such cogency that everyone was convinced.
• The cogency of his reasoning made it impossible to disagree.
• The report’s cogency helped secure funding for the project.
• Despite its length, the essay maintained its cogency throughout.
• The cogency of the evidence left no room for doubt.