willing to talk to people and give them information
He was in a bad mood at breakfast and wasn't very communicative.吃早饭的时候他情绪不好，不怎么讲话。
交际的，表达的，沟通的
relating to communication
The communicative ability of the whale is thought to be highly developed.鲸被认为具有高度发达的交际能力。
languagespecialized（语言教学）交际法的
relating to a style of language teaching in which interaction(= talking and responding) is seen as the most important method of learning, and the main aim of learning
the communicative approach交际教学法
how to make your lessons more communicative如何让你的课更具交际性