have proof

10 LETTERS · STARTS WITH H

have proof is a valid 10-letter word worth 20 points in Scrabble and 21 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

H4A1V4E1P3R1O1O1F4

4 + 1 + 4 + 1 + 0 + 3 + 1 + 1 + 1 + 4 =20 PTS

DOUBLE WORD → 40TRIPLE WORD → 60

MEANING

What does have proof mean?