56 entries under reasonable topic. ×

13
informed(adjective, sound, knowledge, sharp)
12
reasoning(adjective, sound, sensible, rational)
11
aware(adjective, understanding, cool, sound)
11
sane(adjective, sound, sensible, rational)
10
discreet(adjective, smart, sensible, skill)
9
cerebral(adjective, intellectual, sensible, rational, practical)
9
discriminating(adjective, clear, sound, keen)
7
calculating(adjective, smart, keen, sharp, sensible)
7
cognizant(adjective, cool, sound, sensible)
6
commonsensical(adjective, clear, sound, sensible)
6
consequent(adjective, clear, sound, reason)
6
level-headed(adjective, sound, sensible, rational)
5
awake(adjective, activity, understanding, cool)
5
levelheaded(adjective, sound, sensible, rational)
5
together(adjective, sensible, rational, sober, sound)
5
well-advised(adjective, sound, sensible, rational)
4
cogent(adjective, clear, sound, sensible)
4
conscious(adjective, understanding, cool, sound)
4
plausible(adjective, clear, sound, sensible)
4
practical(adjective, sound, sensible, familiar)
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APASmart Define. (2016). intelligent thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/intelligent/thesaurus/synonyms
ChicagoSmart Define. 2016. "intelligent thesaurus" https://smartdefine.org/intelligent/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, intelligent thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/intelligent/thesaurus/synonyms>.
MLASmart Define. "intelligent thesaurus" 24 March 2016. Web. 24 September 2026. <https://smartdefine.org/intelligent/thesaurus/synonyms>