communicative             
adjective uk/kəˈmjuː.nɪ.kə.tɪv/ us/kəˈmjuː.nə.keɪ.t̬ɪv/
B2 健谈的;乐意提供信息的
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。 
  language specialized(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