have effect

11 LETTERS · STARTS WITH H

have effect is a valid 11-letter word worth 24 points in Scrabble and 25 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

H4A1V4E1E1F4F4E1C3T1

4 + 1 + 4 + 1 + 0 + 1 + 4 + 4 + 1 + 3 + 1 =24 PTS

DOUBLE WORD → 48TRIPLE WORD → 72

MEANING

What does have effect mean?