To set up or found something, such as an organization, system, or set of rules, on a firm or permanent basis. The company plans to establish a new branch in the city next year.
To show something to be true or certain by determining the facts. The scientist worked hard to establish the validity of her hypothesis.
To cause someone to be widely known and accepted. The actor's performance in the film helped to establish him as a leading figure in the industry.
To introduce and put into force or operation. The government decided to establish new regulations to improve public safety.
To cause a state or condition to exist or prevail; bring about firmly or permanently. The new administration moved quickly to establish order in the region.