riposte

Noun

• (fencing) a counterattack made immediately after successfully parrying the opponents lunge

• a quick reply to a question or remark (especially a witty or critical one)
  • it brought a sharp rejoinder from the teacher
    

Verb

• answer back

• make a return thrust
  • his opponent riposted
    

Related words

• Synonyms: 
  rejoinder , retort , return , replication , comeback , counter , come back , repay , rejoin