answer, response, reply (something said in reaction to a statement, question, accusation, or request)
answer (verbal or written response to a question given by a teacher meant to check a student's knowledge)
answer, response, reply (something done physically in reponse)
answer (solution to a problem)
response (move done in reponse to another player)
(obsolete) responsibility
retort
prophecy
argument; objection, lack of agreement
defendant's response in court
threat
utterance
expression loyalty or subservience
declaration of war
revenge; payback