99 entries under rational topic. ×

38
clear(adjective, clear, sound, touch, reasonable)
32
plain(adjective, calm, clear, simple, easy)
16
obvious(adjective, clear, sound, simple, reasonable)
16
reasonable(adjective, calm, quiet, sound, sensible)
15
sane(adjective, sound, reasonable, sensible)
13
normal(adjective, reasonable, sensible, healthy)
10
sound(adjective, calm, quiet, clear, reasonable)
8
right(adjective, sensible, healthy, stable)
7
consistent(adjective, clear, sound, reasonable, sensible)
6
articulate(adjective, clear, sound, articulate)
6
balanced(adjective, sound, reasonable, sensible)
4
clear-headed(adjective, calm, quiet, reasonable, sensible)
4
legitimate(adjective, clear, sound, reasonable, sensible)
4
realistic(adjective, calm, sound, reasonable, sharp)
4
together(adjective, sound, reasonable, sensible)
4
wholesome(adjective, clean, healthy, stable)
3
fair(adjective, clear, sound, pleasant, reasonable)
3
perceptive(adjective, clear, sound, reasonable, sensible)
3
prudent(sound, reasonable, sensible, healthy)
3
well-balanced(adjective, stable, normal, sane)
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APASmart Define. (2016). lucid thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/lucid/thesaurus/synonyms
ChicagoSmart Define. 2016. "lucid thesaurus" https://smartdefine.org/lucid/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, lucid thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/lucid/thesaurus/synonyms>.
MLASmart Define. "lucid thesaurus" 31 March 2016. Web. 25 September 2026. <https://smartdefine.org/lucid/thesaurus/synonyms>