- The process of establishing or initiating something
- An important system, relationship, or structure that is a recognized part of a society's lifestyle
- A recognized organization, particularly one of public nature, that has been fully established
- The rehabilitation center is an important institution in our community for fostering change and supporting recovery.
- The formal institution of new tax laws has greatly affected small businesses.
- With its long history and cultural impact, the museum is an esteemed institution.