answer back (?.)

• acknowledge
• answer
• come back
• come back at
• echo
• flash back
• give acknowledgment
• give answer
• lip
• provoke
• react
• reecho
• rejoin
• reply
• respond
• retort
• return
• return answer
• return for answer
• reverberate
• riposte
• sass
• sauce
• say
• say in reply
• shoot back
• talk back