solve in WordNet English dictionary

1. settle, as of a debt
   "clear a debt"; "solve an old debt"
   clear  solve 
   
2. find the solution to (a problem or question) or understand the meaning of
   "did you solve the problem?"; "Work out your problems with the boss"; "this unpleasant situation isn't going to work itself out"; "did you get it?"; "Did you get my meaning?"; "He could not work the math problem"
   solve  work out  figure out  puzzle out  lick  work 
   
3. find the solution
   "solve an equation"; "solve for x"
   resolve  solve