72 entries under observant topic. ×

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awake(adjective, understanding, keen, sensible, certain)
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aware(adjective, understanding, keen, sensible, certain)
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cognizant(adjective, understanding, keen, sensible, certain)
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conversant(adjective, understanding, keen, sensible, certain)
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discerning(adjective, understanding, keen, sensible, certain)
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felt(adjective, understanding, keen, sensible, certain)
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hep to(expression, adjective, understanding, keen, sensible)
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acute(perceptive, insightful)
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astute(perceptive, insightful)
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brainy(perceptive, insightful)
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discreet(perceptive, insightful)
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ear to the ground(expression, idiom, perceptive, insightful)
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gnostic(perceptive, insightful)
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incisive(perceptive, key, insightful, conclusive)
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insighted(perceptive, insightful)
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insightful
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intuitive(perceptive, insightful)
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judicious(perceptive, insightful)
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knowledgeable(perceptive, insightful)
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penetrating(perceptive, insightful)
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APASmart Define. (2015). assured thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/assured/thesaurus/synonyms
ChicagoSmart Define. 2015. "assured thesaurus" https://smartdefine.org/assured/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, assured thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/assured/thesaurus/synonyms>.
MLASmart Define. "assured thesaurus" 9 December 2015. Web. 28 September 2026. <https://smartdefine.org/assured/thesaurus/synonyms>