a. 使人首肯的, 使人信服的, 中肯切题的

[法] 有说服力的, 无法反驳的

[ adj ]
powerfully persuasive
<adj.all>
a cogent argumenta telling presentation
a weighty argument

Cogent \Co"gent\, a. [L. cogens, p. pr. of cogere to drive
together, to force; co- + agere to drive. See {Agent}, a.,
and cf. {Coact} to force, {Coagulate}, p. a.]
1. Compelling, in a physical sense; powerful. [Obs.]

The cogent force of nature. --Prior.

2. Having the power to compel conviction or move the will;
constraining; conclusive; forcible; powerful; not easily
reasisted.

No better nor more cogent reason. --Dr. H. More.

Proofs of the most cogent description. --Tyndall.

The tongue whose strains were cogent as commands,
Revered at home, and felt in foreign lands.
--Cowper.

Syn: Forcible; powerful; potent; urgent; strong; persuasive;
convincing; conclusive; influential.