cogent argument

15 LETTERS · STARTS WITH C

cogent argument is a valid 15-letter word worth 20 points in Scrabble and 27 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
C3O1G2E1N1T1A1R1G2U1M3E1N1T1
3 + 1 + 2 + 1 + 1 + 1 + 0 + 1 + 1 + 2 + 1 + 3 + 1 + 1 + 1 =20 PTS
DOUBLE WORD → 40TRIPLE WORD → 60
MEANING

What does cogent argument mean?

1