requite

/rɪˈkwaɪt/
verb
  1. To return a favor, kindness, or service; to repay or reward.
    • She requited his generosity by helping him move into his new apartment.
    • He hoped to requite her kindness someday.
    • The community requited the volunteer's efforts with a heartfelt thank-you letter.
  2. To retaliate or take revenge for a wrong or injury.
    • In the story, the wronged queen requited the betrayal by banishing the traitor.
    • He felt the need to requite the insult with a sharp remark.
    • The hero swore to requite the evil deeds of the tyrant.