'Communicativeness' definitions:

Definition of 'communicativeness'

(from WordNet)
noun
The trait of being communicative [ant: uncommunicativeness]

Definition of 'Communicativeness'

From: GCIDE
  • Communicativeness \Com*mu"ni*ca*tive*ness\, n. The quality of being communicative. --Norris. [1913 Webster]