Communicative means willing and able to share what you think. Not very communicative, a communicative child, communicative and open.
It is used most often in the negative, where saying somebody was not communicative is a polite way of reporting silence. In language teaching, the communicative approach is teaching by using the language rather than by studying it.
1adjectivecommunicativeWilling and able to share what you think.
“Teenagers are often less communicative with their parents than they were as children.”
communicative is a quality.
Middle French communicatif comes from Latin communicare, to share.
Middle French
communicatif
English, today
communicative
From Middle French communicatif.
Etymology from Wiktionary, CC BY-SA