a. reasonable and convincing; based on evidence; forcefully persuasive
It was inevitable that David chose to go to Harvard: he had several cogent reasons for doing so, including a full-tuition scholarship.
Sentence in Classic:
For which cogent reason I kept Biddy at a distance during supper, and when I went up to my own old little room, took as stately a leave of her as I could, in my murmuring soul, deem reconcilable with the churchyard and the event of the day.
Great Expectations By Charles Dickens Context
Pray write instantly, and let me understand it�unless it is, for very cogent reasons, to remain in the secrecy which Lydia seems to think necessary; and then I must endeavour to be satisfied with ignorance.
Pride and Prejudice By Jane Austen Context
The anatomical fact of this labyrinth is indisputable; and that the supposition founded upon it is reasonable and true, seems the more cogent to me, when I consider the otherwise inexplicable obstinacy of that leviathan in HAVING HIS SPOUTINGS OUT, as the fishermen phrase it.
Moby Dick By Herman Melville Context