retaliate
US /rɪˈtæl.i.eɪt/
UK /rɪˈtæl.i.eɪt/

1.
make an attack or assault in return for a similar attack
:
•
The victims' families vowed to retaliate against the perpetrators.
•
If they attack, we will retaliate with full force.
make an attack or assault in return for a similar attack