extensive knowledge

19 LETTERS · STARTS WITH E

extensive knowledge is a valid 19-letter word worth 37 points in Scrabble and 42 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

E1X8T1E1N1S1I1V4E1K5N1O1W4L1E1D2G2E1

1 + 8 + 1 + 1 + 1 + 1 + 1 + 4 + 1 + 0 + 5 + 1 + 1 + 4 + 1 + 1 + 2 + 2 + 1 =37 PTS

DOUBLE WORD → 74TRIPLE WORD → 111

MEANING

What does extensive knowledge mean?