institutionalize
verb [ T ] (UK usually institutionalise) uk/ˌɪn.stɪˈtʃuː.ʃən.ə.laɪz/ us/ˌɪn.stəˈtuː.ʃən.ə.laɪz/
(PLACE)
把（某人）送到收容机构
to send someone, especially someone who is not able to live independently, to live in an institution
(CUSTOM)
使成惯例；使制度化
to make something become part of a particular society, system, or organization
What was once an informal event has now been institutionalized. 曾经是非正式的活动现在已经制度化。