REPAY

[verb] [T] [past:] repaid - to pay back or to rewardHe had to sell his car to repay the loan from the bank.She repaid her mother the loan./She repaid the loan to her mother. [+ two objects]How can I ever repay you for all your kindness?The team repaid their manager's faith with a series of wins.She repaid his love by selling all the sordid details of the affair to the papers.(esp. UK) You should read this article - it would repay your interest/attention/time (= be worth the effort).