petrify

Verb

• make rigid and set into a conventional pattern
  • rigidify the training schedule
    
  • ossified teaching methods
    
  • slogans petrify our thinking
    

• change into stone
  • the wood petrified with time
    

• cause to become stonelike or stiff or dazed and stunned
  • The horror petrified his feelings
    
  • Fear petrified her thinking
    

Related words

• Synonyms: 
  rigidify , ossify , lapidify