preponderate

VERB /prɪ'pɑndə,reɪt/
12 LETTERS · 4 SYLLABLES · STARTS WITH P

preponderate is a valid 12-letter word worth 17 points in Scrabble and 20 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
P3R1E1P3O1N1D2E1R1A1T1E1
3 + 1 + 1 + 3 + 1 + 1 + 2 + 1 + 1 + 1 + 1 + 1 =17 PTS
DOUBLE WORD → 34TRIPLE WORD → 51
MEANING

What does preponderate mean?