legal opinion

NOUN
13 LETTERS · STARTS WITH L

legal opinion is a valid 13-letter word worth 15 points in Scrabble and 21 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
L1E1G2A1L1O1P3I1N1I1O1N1
1 + 1 + 2 + 1 + 1 + 0 + 1 + 3 + 1 + 1 + 1 + 1 + 1 =15 PTS
DOUBLE WORD → 30TRIPLE WORD → 45
MEANING

What does legal opinion mean?