gumption in WordNet English dictionary

1. fortitude and determination
   "he didn't have the guts to try it"
   backbone  grit  guts  moxie  sand  gumption 
   
2. sound practical judgment
   "Common sense is not so common"; "he hasn't got the sense God gave little green apples"; "fortunately she had the good sense to run away"
   common sense  good sense  gumption  horse sense  sense  mother wit