Quick definitions from WordNet (establish)
▸ verb: set up or found
▸ verb: use as a basis for; found on
▸ verb: set up or lay the groundwork for ("Establish a new department")
▸ verb: bring about ("The trompe l'oeil-illusion establishes depth")
▸ verb: institute, enact, or establish
▸ verb: build or establish something abstract
▸ verb: establish the validity of something, as by an example, explanation or experiment
▸ verb: place
▸ Also see establish
▸ verb: set up or found
▸ verb: use as a basis for; found on
▸ verb: set up or lay the groundwork for ("Establish a new department")
▸ verb: bring about ("The trompe l'oeil-illusion establishes depth")
▸ verb: institute, enact, or establish
▸ verb: build or establish something abstract
▸ verb: establish the validity of something, as by an example, explanation or experiment
▸ verb: place
▸ Also see establish