mystify

VERB /mɪstə,faɪ/
7 LETTERS · 3 SYLLABLES · STARTS WITH M

mystify is a valid 7-letter word worth 18 points in Scrabble and 17 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
M3Y4S1T1I1F4Y4
3 + 4 + 1 + 1 + 1 + 4 + 4 =18 PTS
DOUBLE WORD → 36TRIPLE WORD → 54
MEANING

What does mystify mean?