Response (noun)

1. A spoken or written answer to a question or request.
2. A reaction or behaviour that results from a particular event or situation.

Origin:

Late middle english: from old french response, from latin responsum "something spoken in reply", from respondere "speak in reply".

Examples:

1. He gave a thoughtful response to the question.
2. The company's response to the crisis was criticized.
3. The response to the new product has been overwhelmingly positive.
4. The patient's response to the treatment was encouraging.
5. The government's response to the disaster was slow.