legitimatize

VERB /lɪ'dʒɪtəmə,taɪz/
12 LETTERS · 5 SYLLABLES · STARTS WITH L

legitimatize is a valid 12-letter word worth 24 points in Scrabble and 27 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
L1E1G2I1T1I1M3A1T1I1Z10E1
1 + 1 + 2 + 1 + 1 + 1 + 3 + 1 + 1 + 1 + 10 + 1 =24 PTS
DOUBLE WORD → 48TRIPLE WORD → 72
MEANING

What does legitimatize mean?