General Synonyms:
* Founded: This implies a formal beginning or creation.
* Instituted: This suggests the setting up of a system or organization.
* Settled: This implies a state of permanence or stability.
* Rooted: This suggests a deep foundation or strong base.
* Proven: This implies a history of success or reliability.
* Renowned: This suggests widespread recognition and reputation.
More Specific Synonyms:
* Well-known: This emphasizes the familiarity of something.
* Standard: This implies something widely accepted or recognized.
* Authoritative: This suggests a position of power or influence.
* Credible: This emphasizes trustworthiness and reliability.
* Respected: This suggests admiration and esteem.
Other Options:
* Affirmed: This implies confirmation or approval.
* Confirmed: This implies something is certain or true.
* Validated: This suggests something has been proven or verified.
It's important to choose the synonym that best captures the specific meaning you want to convey.