A response is a type of REACTION to a stimulus or situation. ANTIPHON is an 8-letter word meaning a response or REPLY, usually in the form of a song or chant. REPERCUSSION is a 12-letter word meaning the EFFECT or result of an action or event. FEELING is a 7-letter word meaning an emotional state or REACTION. RECOIL is a 6-letter word meaning to draw back or shrink from something in fear or distaste. REVERBERATION is a 13-letter word meaning a long, echoing sound or reverberating noise. REJOINDER is a 9-letter word meaning a quick, witty REPLY or ANSWER. EFFECT is a 6-letter word meaning a result or consequence of an action or condition. ECHO is a 4-letter word meaning a repetition of sound caused by reflection of sound waves. REPLY is a 5-letter word meaning to respond to a question or statement. ANSWER is a 6-letter word meaning a response to a question or problem. REACTION is an 8-letter word meaning an action performed in response to a stimulus.