seize on

VERB
8 LETTERS · STARTS WITH S

seize on is a valid 8-letter word worth 16 points in Scrabble and 17 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
S1E1I1Z10E1O1N1
1 + 1 + 1 + 10 + 1 + 0 + 1 + 1 =16 PTS
DOUBLE WORD → 32TRIPLE WORD → 48
MEANING

What does seize on mean?