know beforehand

15 LETTERS · STARTS WITH K

know beforehand is a valid 15-letter word worth 30 points in Scrabble and 32 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

K5N1O1W4B3E1F4O1R1E1H4A1N1D2

5 + 1 + 1 + 4 + 0 + 3 + 1 + 4 + 1 + 1 + 1 + 4 + 1 + 1 + 2 =30 PTS

DOUBLE WORD → 60TRIPLE WORD → 90

MEANING

What does know beforehand mean?