institution
//ˌɪnstɪˈtuːʃən//
Noun
institutionSingular
institutionsPlural
1
An established organization or foundation, especially one dedicated to education, public service, or culture.
Harvard University is one of the oldest educational institutions in the United States.
2
A custom, practice, or behavioral pattern that is important and well-established in a society or culture.
Marriage is an important social institution in most cultures.
3
The act of instituting or establishing something.
The institution of new policies took several months.
4
A large building where people are cared for or confined, such as a hospital or prison.
He spent several years in a mental institution.