payoff in WordNet English dictionary

1. payment made to a person in a position of trust to corrupt his judgment
   bribe  payoff 
   
2. the final payment of a debt
   payoff  final payment 
   
3. the income or profit arising from such transactions as the sale of land or other property
   "the average return was about 5%"
   return  issue  take  takings  proceeds  yield  payoff 
   
4. a recompense for worthy acts or retribution for wrongdoing
   "the wages of sin is death"; "virtue is its own reward"
   wages  reward  payoff 
   

payoff in English Wiktionary