[UK and ANZ] usually -ise [verb]What was once an informal event has now become institutionalized.The harsh prison regime is just a form of institutionalized violence.If the proposed changes to the way the arts festival is organized are introduced, they'll have the effect of institutionalizing it (= make it part of society's accepted way of acting), and we don't want that. [T]See also institutionalize at institution (BUILDING).
INSTITUTIONALIZE
Meaning of INSTITUTIONALIZE in English
Cambridge English vocab. Кембриджский английский словарь. 2012