A person who institutes something

plural of instituter

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.

(business) Pertaining to business-to-business activities of commercial organizations serving institutions such as schools, organizations, and churches with products and/or services.

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

The systems of formal laws, regulations, and procedures, and informal conventions, customs, and norms, that shape socioeconomic activity and behaviour.

plural of mental institution