communicativeness

NOUN /kə'mjunə,keɪtɪvnɛs/
17 LETTERS · 6 SYLLABLES · STARTS WITH C

communicativeness is a valid 17-letter word worth 28 points in Scrabble and 36 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
C3O1M3M3U1N1I1C3A1T1I1V4E1N1E1S1S1
3 + 1 + 3 + 3 + 1 + 1 + 1 + 3 + 1 + 1 + 1 + 4 + 1 + 1 + 1 + 1 + 1 =28 PTS
DOUBLE WORD → 56TRIPLE WORD → 84
MEANING

What does communicativeness mean?