Fencing counterattack following a successful parry (7)

I believe the answer is:

riposte

(Other definitions for riposte that I've seen before include "Poster I alter for repartee" , "Witty retort" , "Smart reply" , "Sharp answer" , "Quick clever reply" .)

I've seen this clue in The Mirror.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.