20 entries under reasonable topic. ×

9
certain(adjective, sensible, natural, obvious)
5
sure(adjective, clear, sensible, natural)
2
natural(adjective, sensible, valid, lawful)
1
accepted(honest, sensible, fair, proper)
1
accredited(honest, sensible, fair, proper)
1
normal(sensible, natural, valid, logical)
0
admissible(sensible, natural, normal, valid)
0
cogent(sensible, natural, normal, valid)
0
consistent(sensible, natural, normal, valid)
0
customary(sensible, natural, normal, valid)
0
logical(sensible, natural, normal, valid)
0
orthodox(sensible, natural, normal, valid)
0
probable(sensible, natural, normal, valid)
0
received(sensible, natural, normal, valid)
0
recognized(sensible, natural, normal, valid)
0
regular(sensible, natural, valid, lawful)
0
sensible(natural, valid, lawful, palpable)
0
typical(sensible, natural, normal, valid)
0
usual(sensible, natural, normal, valid)
0
well-founded(sensible, natural, normal, valid)
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APASmart Define. (2016). verifiable thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/verifiable/thesaurus/synonyms
ChicagoSmart Define. 2016. "verifiable thesaurus" https://smartdefine.org/verifiable/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, verifiable thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/verifiable/thesaurus/synonyms>.
MLASmart Define. "verifiable thesaurus" 29 March 2016. Web. 24 September 2026. <https://smartdefine.org/verifiable/thesaurus/synonyms>