responsive

containing or using responses or antiphons recited or sung in alternation

• “responsive reading”
• “antiphonal liturgy”

readily reacting to people or events; showing emotion

• “children are often the quickest and most responsive members of the audience”

readily reacting to suggestions and influences

• “a responsive student”

susceptible to the feelings or attitudes of others

• “keeping government in America responsive to the will of the people”