80 entries under fair topic. ×

1
inclined(adjective, reasonable, acceptable, expected)
1
inexpensive(adjective, reasonable, moderate, honest, sensible)
1
inferable(adjective, reasonable, acceptable, expected)
1
liable(adjective, reasonable, acceptable, expected)
1
odds-on(adjective, reasonable, acceptable, expected)
1
on the verge of(expression, adjective, idiom, reasonable)
1
ostensible(adjective, reasonable, acceptable, expected)
1
practicable(adjective, reasonable, useful, real)
1
predisposed(adjective, reasonable, acceptable, expected)
1
presumable(adjective, reasonable, solid, acceptable)
1
prone(adjective, reasonable, acceptable, expected)
1
seeming(adjective, reasonable, honest, acceptable)
1
subject to(expression, adjective, reasonable, acceptable)
1
supposable(adjective, reasonable, honest, acceptable)
1
tending(adjective, reasonable, acceptable, expected)
1
thinkable(adjective, reasonable, honest, acceptable)
1
tolerable(adjective, reasonable, moderate, honest, sensible)
1
true(adjective, good, sound, reasonable, sensible)
1
verisimilar(adjective, reasonable, acceptable, expected)
0
up and coming(expression, idiom, reasonable, apt)
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APASmart Define. (2016). rational thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/rational/thesaurus/synonyms
ChicagoSmart Define. 2016. "rational thesaurus" https://smartdefine.org/rational/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, rational thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/rational/thesaurus/synonyms>.
MLASmart Define. "rational thesaurus" 29 March 2016. Web. 24 September 2026. <https://smartdefine.org/rational/thesaurus/synonyms>