Institutionalized
Part of speech: verb
Definition: To establish as a normal practice
Part of speech: adjective
Definition: of or relating to something that has been established as an institution of or relating to someone who has been committed to an institution, such as a prison or an insane asylum
Example sentence: For those that don't know, my sister was born with Down Syndrome, and she was institutionalized in the very early sixties. Me, being just a small boy and being shuffled around between my mother and grandparents, I never knew her.
Institutionalised
Part of speech: verb
Definition: To establish as a normal practice