Definitions of responsive:

• adjective:   readily reacting to people or events; showing emotion

  Example: "Children are often the quickest and most responsive members of the audience"

• adjective:   susceptible to the feelings or attitudes of others

  Example: "Keeping government in America responsive to the will of the people"

• adjective:   readily reacting to suggestions and influences

  Example: "A responsive student"

• adjective:   containing or using responses or antiphons recited or sung in alternation

  Example: "Responsive reading"