146 entries under rational topic. ×

1
melancholy(adjective, reasonable, keen, deep)
1
moderate(sensible, healthy, stable, sober)
1
museful(adjective, reasonable, keen, deep)
1
necessary(clear, sound, reasonable, sensible)
1
obvious(clear, sound, reasonable, sensible)
1
pensive(adjective, reasonable, keen, deep)
1
pertinent(clear, sound, reasonable, sensible)
1
philosophic(adjective, sound, reasonable, keen, sensible)
1
plausible(clear, sound, reasonable, sensible)
1
pondering(adjective, reasonable, keen, deep)
1
preoccupied(adjective, reasonable, keen, deep)
1
rapt(adjective, reasonable, keen, deep)
1
ready(adjective, keen, sharp, smart, bright)
1
reasoning(noun, adjective, understanding, sound, reasonable)
1
reflecting(adjective, reasonable, keen, deep)
1
relevant(clear, sound, reasonable, sensible)
1
retrospective(adjective, reasonable, keen, deep)
1
steady(sensible, alert, healthy, stable)
1
studious(adjective, reasonable, keen, deep)
1
subjective(adjective, reasonable, keen, deep)
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APASmart Define. (2015). discerning thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/discerning/thesaurus/synonyms
ChicagoSmart Define. 2015. "discerning thesaurus" https://smartdefine.org/discerning/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, discerning thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/discerning/thesaurus/synonyms>.
MLASmart Define. "discerning thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/discerning/thesaurus/synonyms>