1. Founded
2. Set up
3. Established
4. Constituted
5. Created
6. Installed
7. Put in place
8. Inaugurated
9. Launched
10. Initiated
11. Erected
12. Formed
13. Built
14. Commenced
15. Instituted
16. Started
17. Installed
18. Grounded
19. Set
20. Constructed
21. Imposed
22. Ratified
23. Established
24. Confirmed
25. Endorsed
26. Sanctioned
27. Verified
28. Authorized
29. Affirmed
30. Validated

When looking for the best ideas for synonyms for the word “established”, there are many possibilities. From “founded” and “set up” to “confirmed” and “endorsed”, the list of words that can be used to mean the same thing is extensive. Whether you are looking for one word or many, there are a variety of other words for “established” that can be used to convey the same meaning. From “created” and “inaugurated” to “built” and “ratified”, the list of synonyms for “established” is long and varied. No matter the context, there is a perfect word to suit your needs.