145 entries under good topic. ×

9
cogent(adjective, clear, sound, reasonable)
9
constant(verb, adjective, calm, strong)
8
authentic(adjective, sound, correct, right)
8
certain(adjective, strong, sound, correct)
8
faithful(adjective, strong, correct, reasonable)
8
great(adjective, person, body, cool)
8
trusty(adjective, strong, reasonable, honest)
7
weighty(adjective, clear, sound, right)
6
ample(adjective, strong, reasonable, fair)
6
cool(adjective, great, pleasant, reasonable)
6
decent(adjective, strong, correct, reasonable)
6
potent(adjective, strong, sound, outstanding)
5
credible(adjective, open, sound, right)
5
fine(adjective, great, pleasant, excellent)
5
satisfactory(adjective, clear, great, reasonable)
5
well-grounded(adjective, sound, right, reasonable)
4
definite(adjective, strong, correct, easy)
4
estimable(adjective, great, excellent, perfect)
4
just(adjective, sound, correct, right)
4
legitimate(sound, right, reasonable, material)
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APASmart Define. (2016). solid thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/solid/thesaurus/synonyms
ChicagoSmart Define. 2016. "solid thesaurus" https://smartdefine.org/solid/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2016, solid thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/solid/thesaurus/synonyms>.
MLASmart Define. "solid thesaurus" 29 March 2016. Web. 21 September 2026. <https://smartdefine.org/solid/thesaurus/synonyms>