71 entries under observant topic. ×

5
known(adjective, understanding, keen, sensible, certain)
5
on to(expression, adjective, idiom, understanding, knowledge)
5
responsive(adjective, understanding, keen, fine, happy)
5
wise to(expression, adjective, understanding, keen, sensible)
4
alive to(verb, expression, adjective, phrasal verb, understanding)
4
apprised(adjective, understanding, keen, sensible, certain)
4
perspicacious(perceptive, insightful)
4
sagacious(adjective, understanding, cool, reasonable, significant)
3
discerning(adjective, understanding, cool, reasonable, keen)
3
hep to(expression, adjective, understanding, keen, sensible)
3
judicious(adjective, understanding, cool, reasonable, sensible)
3
percipient(adjective, understanding, cool, keen, sensible)
3
savvy(adjective, understanding, sensible, alert, familiar)
3
sharp(adjective, understanding, cool, alert, significant)
3
understanding(adjective, keen, fine, sensible, delicate)
2
acute(adjective, understanding, keen, fine, sensible)
2
apperceptive(adjective, understanding, keen, sensible, certain)
2
brainy(adjective, understanding, cool, crack, significant)
2
insightful(adjective, understanding, cool, crack, significant)
2
observing(adjective, understanding, keen, sensible, certain)
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APASmart Define. (2015). cognizant thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/cognizant/thesaurus/synonyms
ChicagoSmart Define. 2015. "cognizant thesaurus" https://smartdefine.org/cognizant/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2015, cognizant thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/cognizant/thesaurus/synonyms>.
MLASmart Define. "cognizant thesaurus" 14 April 2015. Web. 30 September 2026. <https://smartdefine.org/cognizant/thesaurus/synonyms>