1. 已被认可的;已被接受的
If you use established to describe something such as an organization, you mean that it is officially recognized or generally approved of because it has existed for a long time.

1. introduced from another region and persisting without cultivation

Synonym: naturalized

2. brought about or set up or accepted
especially long established

e.g. the established social order
distrust the constituted authority
a team established as a member of a major league
enjoyed his prestige as an established writer
an established precedent
the established Church

Synonym: constituted

3. conforming with accepted standards

e.g. a conventional view of the world

Synonym: conventional

4. shown to be valid beyond a reasonable doubt

e.g. the established facts in the case

5. settled securely and unconditionally

e.g. that smoking causes health problems is an accomplished fact

Synonym: accomplishedeffected