Establish (verb)

1. To set up on a firm or permanent basis; to found.
2. To bring into existence; to create.
3. To make something firm, stable, or confirmed.
4. To recognize or acknowledge the validity or legality of something.

Origin:

From middle english establisshen, from old french establiss-, stem of establir ("to establish"), from latin stabilīre ("to make stable, establish"), from stābilis ("stable").

Examples:

1. They established a new company.
2. She established herself as a successful businesswoman.
3. The government established a new policy.
4. He established his innocence with evidence.
5. The organization established its reputation as a reliable source.