Learn how to say Ritualise correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word ritualize:
[with object] (usually as adjective ritualized)
make (something) into a ritual by following a pattern of actions or behaviour:
interpreting football hooliganism as a ritualized expression of aggression
Zoology cause (an action or behaviour pattern) to undergo ritualization:
this ritualized action gives each animal time to assess the prowess of the other