institution

noun

1. an organization founded and united for a specific purpose

Similar word(s): establishment

Definition categories: group, organisation, organization

2. an establishment consisting of a building or complex of buildings where an organization for the promotion of some cause is situated

Definition categories: man–made, establishment

3. a custom that for a long time has been an important feature of some group or society

- the institution of marriage

- the institution of slavery

- he had become an institution in the theater

Definition categories: thought, custom, tradition

4. the act of starting something for the first time; introducing something new

Similar word(s): creation, foundation, founding, initiation, innovation, instauration, introduction, origination

Definition categories: act, beginning, commencement, start

5. a hospital for mentally incompetent or unbalanced person

Similar word(s): asylum

Definition categories: man–made, hospital, infirmary