(to make) an attack in reply to an attack by the enemy

retaliation

very thin, flexible metal sheet; a person or thing that contrasts with, and sets off, the qualities of another

contrast

the act of doing harm to a person who has wronged or hurt one

revenge

deserved punishment

payback for another's action

deliberate harm to a person in return for harm done

retaliation for wrong, grievance

revenge; the return of injury for injury; a greater degree than is normal, expected or desired

retaliation for another's act