exploit in WordNet English dictionary

1. a notable achievement
   "he performed a great feat"; "the book was her finest effort"
   feat  effort  exploit 
   

1. use or manipulate to one's advantage
   "He exploit the new taxation system"; "She knows how to work the system"; "he works his parents for sympathy"
   exploit  work 
   
2. draw from; make good use of
   "we must exploit the resources we are given wisely"
   exploit  tap 
   
3. work excessively hard
   "he is exploiting the students"
   overwork  exploit