Reply
Acknowledge
Acknowledgement
Answer
Antiphon
Backlash
Backtalk
Banter
Comeback
Comment
Communicate
Communication
Construe
Contend
Contend with
Counter
Cope
Cope with
Correspond
Correspondence
Counteraction
Counter response
Defence
Defend
Deny
Echo
Explain
Explanation
Feedback
Field
Grapple
Grapple with
Handle
Interpret
Jerk reaction
Justification
Kick back
Knee jerk reaction
Lip
Manage
Negotiate
Non sequitur
Observation
Plea
React
Reaction
Read
Rebound
Rebut
Rebuttal
Reciprocation
Recoil
Reflex
Refute
Refutation
Rejoin
Rejoinder
Remark
Repartee
Replication
Response
Respond
Retaliation
Retort
Return
Revulsion
Riposte
Rise
Sass
Snappy comeback
Take
Understand
Vibes
Wisecrack