What does the word stultify mean?

Usage examples for stultify

  1. Seven months before Congress had recognized the necessity for calling the convention together; whatever need for its work existed then, there was the same need now; and by refusing to take due cognizance of it Congress would simply stultify itself. – The Critical Period of American History by John Fiske
  2. I can't stultify myself to prove this poor girl an adventuress. – Rose MacLeod by Alice Brown
  3. But my unseen world is to be bona fide unseen and, in so far as I say I know anything about it, I stultify myself. – The Note-Books of Samuel Butler by Samuel Butler