What is the meaning of establised?

There are many different definitions of established:a. To set up; found.

b. To bring about; generate:

2. a. To place or settle in a secure position or condition; install

b. To make firm or secure.

3. To cause to be recognized and accepted:

4. To introduce and put (a law, for example) into force.

5. To prove the validity or truth of:

6. To make a state institution of (a church).

Those are not my original Words.