Noun : He sent an answer to my letter promptly. ,a singing group that tried to be the French answer to the Beatles. ,The answer was a volley of fire.    From Dictionary.com. 

Verb (used without object) : He answered with a nod. The champion answered with a right to the jaw. ,I will answer for his safety. ,His cane answered for a baseball bat. ,The prisoner answered to the description issued by the police.    From Dictionary.com. 

Verb (used with object) : to answer a person; to answer a question. ,Answer the doorbell. We answered their goal with two quick goals of our own. ,This will answer the purpose. ,This dog answers your description. ,I would like to answer your request but am unable to do so.    From Dictionary.com.