plural of institution

A custom or practice of a society or community. / A long established and respected organization, particularly one involved with education, public service, or charity work.

In a way that conforms to an institution.

Tending or intended to institute; having the power to establish. / Established; depending on, or characterized by, institution or order.

An organization (typically a non-profit think tank) that conducts original research on issues, makes governmental policy recommendations based on its findings, and disseminates its work to the appropriate audiences.

An educational institution, dedicated to teaching and/or research. / An educational institution, dedicated to higher education and research, that grants academic degrees.

(marketing) Advertising that promotes a company rather than the specific products or services it offers.

plural of educational institution

A place where people of different ages gain an education, including preschools, childcare, elementary schools, and universities.

(derogatory slang) A psychiatric hospital, or the psychiatric ward of a hospital.