ETYM Cf. Old Fren. establissement, French établissement.
1. A public or private structure (business or governmental or educational) including buildings and equipment for business or residence.
2. Any large organization.
3. Mainstream culture, especially the forces that direct and govern it.
4. The cognitive process of establishing a valid proof; SYN. validation.
5. (Ecology) The process by which a plant or animal becomes established in a new habitat; SYN. ecesis.