318 entries under reasonable topic. ×

13
sober(adjective, good, hard, sound)
12
discerning(adjective, clear, understanding, cool, sound)
12
discreet(adjective, calm, understanding, moderate)
12
down-to-earth(adjective, sound, useful, practical)
12
informed(adjective, understanding, sound, keen)
11
attentive(adjective, understanding, keen, certain)
11
proper(adjective, moderate, honest, straight)
11
sentient(adjective, understanding, open, cool)
10
appreciable(adjective, knowledge, significant, substantial)
10
balanced(adjective, calm, sound, reason)
10
knowing(adjective, understanding, sound, smooth)
10
normal(adjective, sound, natural, rational)
10
substantial(adjective, good, body, firm)
10
valid(adjective, good, clear, open, sound)
9
cool(adjective, calm, good, sound, smooth)
9
enlightened(adjective, sound, sharp, smart)
9
fair(adjective, good, clear, sound)
9
level-headed(adjective, calm, sound, tough)
9
plausible(adjective, clear, open, sound)
8
good(adjective, great, keen, sharp)
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APASmart Define. (2016). sensible thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/sensible/thesaurus/synonyms
ChicagoSmart Define. 2016. "sensible thesaurus" https://smartdefine.org/sensible/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, sensible thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/sensible/thesaurus/synonyms>.
MLASmart Define. "sensible thesaurus" 29 March 2016. Web. 23 September 2026. <https://smartdefine.org/sensible/thesaurus/synonyms>