innate reflex

NOUN
13 LETTERS · STARTS WITH I

innate reflex is a valid 13-letter word worth 22 points in Scrabble and 25 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
I1N1N1A1T1E1R1E1F4L1E1X8
1 + 1 + 1 + 1 + 1 + 1 + 0 + 1 + 1 + 4 + 1 + 1 + 8 =22 PTS
DOUBLE WORD → 44TRIPLE WORD → 66
MEANING

What does innate reflex mean?