noun
response
rih-SPAHNS/rɪˈspɑːns/
A reaction to something that happens or is said.
The returned wave is a friendly response to the greeting.

Etymology
The roots suggest a promise made in return, which broadened into an answer. The word later extended beyond spoken replies to feelings and actions prompted by something.
In context
we will review the roadway markings and make any appropriate alterations." And I thought to myself, typical government response, all right, moved on with my life.
More examples
- Shivering is the body's natural response to cold.
- The town opens a shelter in response to the storm.
- Our proposal draws enthusiastic responses from the neighbors.
Forms
response · responses
respond verb — To react to something or answer someone.
responsive adjective — Reacting readily to something or someone.