adjective see: agent Date: 1659 having power to compel or constrain , 2. appealing forcibly to the mind or reason ; convincing , pertinent , relevant , see: valid ~ly adverb
COGENT
Meaning of COGENT in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012