▽Online Dictionary ●06/26 10:13 Dictionary, Encyclopedia and Thesaurus - The Free Dictionary 12,999,305,271 visitors served Wednesday, October 27, 2021 | View Archive ? You have disabled JavaScript. Some functions on this page will not work. cogent Definition: (adjective) Appealing to the intellect or powers of reasoning; convincing. Synonyms:weighty Usage:Having put forth an indisputably cogent argument, Sally won the debate. D