This word is acceptable for play in the UK dictionary that is being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

v. To pay back; to give in return, as payment, reward, or punishment; to requite.

v. To pay back; to give in return, as payment, reward, or punishment; to requite.

To restore; pay back; return; give in requital.

To make compensation or requital. as for some past action, whether good or bad.

"God, I say, is the only judge in this case, who will retribute unto every one at the last day according to his deserts; that is, according to his sincerity and uprightness in endeavouring to promote piety, and the public weal, and peace of mankind."

retaliate   

requite