rigidify, ossify, petrify -- (make rigid and set into a conventional pattern; "rigidify the training schedule"; "ossified teaching methods"; "slogans petrify our thinking")
ossify -- (cause to become hard and bony; "The disease ossified the tissue")
Overview of adj ossified
The adj ossified has 1 sense
fossilized, fossilised, ossified -- (set in a rigidly conventional pattern of behavior, habits, or beliefs; "obsolete fossilized ways"; "an ossified bureaucratic system")