66 entries under observant topic. ×

3
with it(expression, adjective, understanding, cool, keen)
2
attentive(adjective, understanding, reasonable, keen, sensible)
2
awake(adjective, understanding, cool, keen, sensible)
2
certain(adjective, understanding, keen, sensible, alert)
2
in on(expression, adjective, understanding, cool, keen)
2
keen(adjective, understanding, reasonable, sensible, certain)
2
mindful(adjective, understanding, keen, sensible, certain)
2
on to(expression, adjective, understanding, cool, keen)
2
penetrating(deep, thoughtful, perceptive, insightful)
2
percipient(adjective, understanding, keen, sensible, certain)
2
perspicacious(adjective, sensible, intelligent, wise, shrewd)
2
sharp(adjective, understanding, sound, reasonable, smart)
2
sure(adjective, understanding, keen, sensible, certain)
2
tuned in(expression, adjective, understanding, cool, sensible)
2
understanding(adjective, sound, keen, sharp, smart)
2
vigilant(adjective, understanding, keen, sensible, certain)
2
wise to(expression, adjective, understanding, cool, keen)
1
aesthetic(adjective, understanding, keen, sensible, certain)
1
alive to(verb, expression, adjective, phrasal verb, understanding)
1
apperceptive(adjective, understanding, keen, sensible, certain)
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APASmart Define. (2015). informed thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/informed/thesaurus/synonyms
ChicagoSmart Define. 2015. "informed thesaurus" https://smartdefine.org/informed/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, informed thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/informed/thesaurus/synonyms>.
MLASmart Define. "informed thesaurus" 13 April 2015. Web. 23 September 2026. <https://smartdefine.org/informed/thesaurus/synonyms>