Definition of established adjective from the Oxford Advanced American Dictionary

      

    established

     adjective
    adjective
    NAmE//ɪˈstæblɪʃt//
     
    [only before noun]
     
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  1. 1respected 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. 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. 3(of a Church or a religion) made official for a country
See the Oxford Advanced Learner's Dictionary entry: established