Definition of establish (verb)
- set up or found
- set up or lay the groundwork for
- establish the validity of something, as by an example, explanation or experiment
- institute, enact, or establish
- bring about
- "The trompe l'oeil-illusion establishes depth"
- synonyms: give
- build or establish something abstract
- "build a reputation"
- synonyms: build
- use as a basis for; found on
Source: Princeton University Wordnet