A more thorough explanation:

Definition: Responsive, adjective. Giving or constituting a response; answering.

Example: The customer service representative was very responsive to my complaint and resolved the issue quickly.

Explanation: In this example, the word "responsive" is used to describe the customer service representative's behavior. They were quick to respond to the complaint and took action to resolve the issue. This illustrates the definition of responsive as being able to give or constitute a response.