78 entries under solid topic. ×

7
reliable(adjective, good, clear, open, right)
6
conclusive(adjective, clear, sound, right, reasonable)
6
fair(adjective, good, clear, sound, correct)
6
incontrovertible(clear, reasonable, certain, definite)
6
material(adjective, appropriate, physical, true)
6
precise(adjective, good, correct, sensible)
6
veracious(adjective, open, honest, true)
5
tangible(adjective, material, truth, real)
5
truthful(adjective, open, correct, honest)
4
acceptable(adjective, good, reasonable, honest)
4
concrete(adjective, physical, material, real)
4
dependable(adjective, good, open, right, reasonable)
4
essential(adjective, physical, material, true)
4
plausible(adjective, open, reasonable, sensible)
4
realistic(adjective, open, honest, sensible)
4
sincere(adjective, simple, reasonable, easy, honest)
3
determinative(adjective, sound, right, reasonable, honest)
3
impressive(adjective, reasonable, violent, important)
3
steadfast(adjective, honest, pure, certain)
2
believable(open, reasonable, honest, sensible)
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APASmart Define. (2016). valid thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/valid/thesaurus/synonyms
ChicagoSmart Define. 2016. "valid thesaurus" https://smartdefine.org/valid/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2016, valid thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/valid/thesaurus/synonyms>.
MLASmart Define. "valid thesaurus" 31 March 2016. Web. 20 September 2026. <https://smartdefine.org/valid/thesaurus/synonyms>