cogent

UK: /ˈkəʊdʒənt/ US: /ˈkoʊdʒənt/ ,(kō′jənt)

WordReference Random House Learner's Dictionary of American English © 2025

co•gent /ˈkoʊdʒənt/   adj. 

1. convincing;
   believable:
   some cogent arguments in favor of hiring her.

co•gen•cy, n. 

[uncountable] an argument with force and cogency.

co•gent•ly, adv.: 

argued cogently.

WordReference Random House Unabridged Dictionary of American English © 2025

co•gent  (kō′jənt), adj. 

1. convincing or believable by virtue of forcible, clear, or incisive presentation;
   telling.
2. to the point;
   relevant;
   pertinent.

• Latin cōgent- (stem of cōgēns, present participle of cōgere to drive together, collect, compel), equivalent. to cōg- (co- co- + ag-, stem of agere to drive) + -ent- -ent
• 1650–60

co′gent•ly, adv. 

Collins Concise English Dictionary © HarperCollins Publishers::

cogent / ˈkəʊdʒənt/ adjective

1. compelling belief or assent; forcefully convincing

Etymology: 17th Century: from Latin cōgent-, cōgēns, driving together, from cōgere, from co- together + agere to drive

ˈcogency, ˈcogence noun

ˈcogently adverb