Retaliate (verb)

To take revenge or inflict punishment in return for an injury or offense.

Origin:

From the latin retaliare, meaning "to repay or recompense". the word first appeared in english in the late 16th century.

Examples:

1. He retaliated against the bully by pushing him back.
2. She retaliated against the company by leaking confidential information.
3. The country retaliated against the sanctions by imposing tariffs on imports.
4. The athlete retaliated against the opposing team's trash talking by scoring a game-winning goal.
5. The group retaliated against the government's crackdown on their protest by organizing a larger demonstration.