communicative (adj.)

late 14c., "that communicates," from French communicatif, from Latin communicat-, past participle stem of communicare "to share, divide out; communicate, impart, inform; join, unite, participate in," literally "to make common," related to communis "common, public, general" (see common (adj.)). Meaning "talkative, not reserved, ready to converse" is recorded from 1650s. Related: Communicativeness.