Noah Webster's New International Dictionary of the English Language

1. (v. i.) To say something in return; to answer; to reply; as, to respond to a question or an argument.

2. (v. i.) To show some effect in return to a force; to act in response; to accord; to correspond; to suit.

3. (v. i.) To render satisfaction; to be answerable; as, the defendant is held to respond in damages.

4. (v. t.) To answer; to reply.

5. (v. t.) To suit or accord with; to correspond to.

6. (n.) An answer; a response.

7. (n.) A short anthem sung at intervals during the reading of a chapter.

8. (n.) A half pier or pillar attached to a wall to support an arch.