petrify

(v) cause to become stonelike or stiff or dazed and stunned
- The horror petrified his feelings
- Fear petrified her thinking
(v) change into stone
- the wood petrified with time
lapidify,
(v) make rigid and set into a conventional pattern
- rigidify the training schedule
- ossified teaching methods
- slogans petrify our thinking
ossify, rigidify,

lapidify ossify rigidify

petrifying