38
set(adjective, verb, usual, state, calm)
35
fixed(adjective, verb, state, strong, determined)
30
traditional(adjective, state, relation, establishment, accepted)
29
conventional(adjective, accepted, usual, traditional, feature)
26
confirmed(adjective, verb, proved, usual, state)
25
customary(adjective, usual, accepted, correct, conventional)
25
regular(adjective, common, normal, usual, ordinary)
24
standard(adjective, accepted, usual, sound, correct)
23
settled(adjective, verb, state, strong, certain)
22
firm(adjective, definite, strong, state, calm)
21
determined(verb, adjective, strong, easy, flat)
18
accepted(adjective, state, establishment, feature, characteristic)
15
ascertained(verb, proved, ascertained)
13
certified(verb, adjective, notorious, confirmed, recognized)
12
stated(adjective, state, determined, regular, definite)
11
accustomed(adjective, feature, characteristic, common, ordinary)
11
verified(verb, proved, ascertained)
10
approved(adjective, sound, right, proper, accepted)
10
authenticated(verb, evinced, proved)
10
installed(verb, adjective, set, put, fixed)
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APASmart Define. (2015). established thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/established/thesaurus/synonyms
ChicagoSmart Define. 2015. "established thesaurus" https://smartdefine.org/established/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, established thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/established/thesaurus/synonyms>.
MLASmart Define. "established thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/established/thesaurus/synonyms>