72 entries under observant topic. ×

1
supraliminal(adjective, understanding, keen, sensible, certain)
1
sure(adjective, understanding, keen, sensible, certain)
1
vigilant(adjective, understanding, cool, keen, sensible)
0
ear to the ground(expression, idiom, perceptive, insightful)
0
gnostic(perceptive, insightful)
0
incisive(perceptive, insightful)
0
insighted(perceptive, insightful)
0
intuitive(perceptive, insightful, psychic, clairvoyant)
0
penetrating(perceptive, insightful, psychic, clairvoyant)
0
penetrative(perceptive, insightful)
0
perspicacious(perceptive, insightful)
0
rational(reasonable, sober, realistic, perceptive, sane)
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APASmart Define. (2015). sentient thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/sentient/thesaurus/synonyms
ChicagoSmart Define. 2015. "sentient thesaurus" https://smartdefine.org/sentient/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, sentient thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/sentient/thesaurus/synonyms>.
MLASmart Define. "sentient thesaurus" 21 December 2015. Web. 28 September 2026. <https://smartdefine.org/sentient/thesaurus/synonyms>