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