1) Answer 2) Backchat 3) Banter 4) Cross talk 5) Japing 6) Quip 7) Raillery 8) Teasing 9) Wit 1) Back and forth 2) Badinage 3) Banter 4) Bright answers 5) Clever banter 6) Clever conversation 7) Clever interchange 8) Comeback 9) French word used in English 10) Humor 11) Humour 12) Interchange of witty retorts 13) Quick witty reply 14) Quick, witty answer 15) Ready wit 16) Snappy answer 17) Sparkling verbal sparring 
• (v. i.) To make smart and witty replies. • (n.) A smart, ready, and witty reply.
Rep`ar·tee' noun [ French repartie , from repartir to reply, depart again; prefix re- re- partir to part, depart. See Part .] A smart, ready, and witty reply. « Cupid was as bad as he; Hear but the youngster's repartee .» Prior. Syn....
In fencing, a repartee is a smart return blow.
[n] - adroitness and cleverness in reply
noun adroitness and cleverness in reply