[co.gent] adj [L cogent-, cogens, prp. of cogere to drive together, collect, fr. co- + agere to drive--more at agent] (1659) 1: having power to compel or constrain "~ forces"
2. a: appealing forcibly to the mind or reason: convincing "~ evidence" b: pertinent, relevant "a ~ analysis of a problem" syn see valid -- co.gent.ly adv