Definition of Establish

Verb: establish i'sta-blish

Start an new organization or institution
- set up, found, launch
Set up or lay the groundwork for
"establish a new department";
- found, plant, constitute, institute
Make clear the validity of something, as by an example, explanation or experiment
"The experiment established the instability of the compound";
- prove, demonstrate, show, shew [Brit, archaic]
Institute, enact; formally write
"establish laws";
- lay down, make
Bring about
"The trompe l'oeil-illusion establishes depth";
- give
Place
- install, instal, set up
Build or create something abstract
"establish a reputation";
- build
Use as a basis for; found on
"establish a claim on some observation";
- base, ground, found