Synonyms|359Antonyms|67|Broader|1Narrower|0Related|355

135 entries under adjective topic. ×

3
staunch(calm, strong, sound, secure)
3
steadfast(calm, strong, secure, easy)
3
unyielding(strong, sound, tough, solid)
3
well-established
3
wise(reason, sane)
2
able(strong, sound, tough, easy)
2
absolute(strong, easy, flat, solid)
2
admissible(reasonable, sensible, natural, normal)
2
carefree(strong, easy, solid, certain)
2
commonsensible(reason, sane)
2
commonsensical(reason, sane)
2
definite(strong, easy, solid, certain)
2
determined(strong, easy, solid, certain)
2
fair(reasonable, valid, lawful, rightful)
2
forceful(strong, sound, tough, solid)
2
heavy(strong, sound, tough, solid)
2
judicious(reason, sane)
2
levelheaded(reason, sane)
2
probable(reasonable, sensible, true, natural)
2
rightful(reasonable, valid, lawful, justified)
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APASmart Define. (2016). well-founded thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/well-founded/thesaurus/synonyms
ChicagoSmart Define. 2016. "well-founded thesaurus" https://smartdefine.org/well-founded/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, well-founded thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/well-founded/thesaurus/synonyms>.
MLASmart Define. "well-founded thesaurus" 29 March 2016. Web. 28 September 2026. <https://smartdefine.org/well-founded/thesaurus/synonyms>