1. A thing that is said, written, or done as a reaction to a question, statement, or situation.
2. A solution to a problem or dilemma.
3. Say or write something as a reaction to someone or something.
4. Act in reaction to (a sound such as a telephone ringing or a knock or ring on a door).
5. Defend oneself against (a charge, accusation, or criticism).
Plural noun: Answers.
I forgot two answers.