/ ɪˈstæblɪʃt; NAmE / adjective [ only before noun ]
1.
respected or given official status because it has existed or been used for a long time :
They are an established company with a good reputation.
This unit is now an established part of the course.
—see also well established
2.
( of a person ) well known and respected in a job, etc. that they have been doing for a long time :
an established actor
3.
( of a Church or a religion ) made official for a country