truth in WordNet English dictionary

1. the quality of being near to the true value
   "he was beginning to doubt the accuracy of his compass"; "the lawyer questioned the truth of my account"
   accuracy  truth 
   
2. conformity to reality or actuality
   "they debated the truth of the proposition"; "the situation brought home to us the blunt truth of the military threat"; "he was famous for the truth of his portraits"; "he turned to religion in his search for eternal verities"
   truth  the true  verity  trueness 
   
3. a true statement
   "he told the truth"; "he thought of answering with the truth but he knew they wouldn't believe it"
   truth  true statement 
   
4. a fact that has been verified
   "at last he knew the truth"; "the truth is that he didn't want to do it"
   truth