94 entries under reasonable topic. ×

76
sound(adjective, clear, strain, sensible)
54
constant(adjective, calm, change, strong, smooth)
25
uniform(adjective, calm, close, smooth, right)
22
consonant(adjective, good, close, cool, kind)
17
coherent(adjective, clear, sound, agreement)
14
regular(adjective, calm, smooth, right)
14
same(adjective, calm, good, close, change)
12
alike(adjective, adverb, calm, good, close)
11
like(adjective, calm, good, kind, smooth)
11
logical(adjective, clear, sound, sensible)
7
congruent(adjective, clear, sound, friendly)
6
legitimate(adjective, clear, sensible, normal)
6
lucid(adjective, clear, sound, sensible)
6
perspicuous(adjective, clear, sound, sensible)
5
clear(adjective, sound, sensible, rational)
5
habitual(adjective, common, ordinary, usual)
5
natural(adjective, sensible, ordinary, usual)
5
normal(adjective, sensible, common, ordinary)
5
rational(adjective, clear, sound, sensible)
5
similar(adjective, good, close, kind, right)
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APASmart Define. (2016). consistent thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/consistent/thesaurus/synonyms
ChicagoSmart Define. 2016. "consistent thesaurus" https://smartdefine.org/consistent/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2016, consistent thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/consistent/thesaurus/synonyms>.
MLASmart Define. "consistent thesaurus" 1 April 2016. Web. 20 September 2026. <https://smartdefine.org/consistent/thesaurus/synonyms>