7 entries under observative topic. ×

6
observant(adjective, sympathetic, alert, considerate, witting)
2
intentive(adjective, correct, sympathetic, alert, intelligent)
1
clear-sighted(adjective, sympathetic, alert, intelligent, perceptive)
1
not missing a trick(expression, adjective, idiom, sympathetic, alert)
1
sharp-eyed(adjective, sympathetic, alert, intelligent, perceptive)
0
on toes(expression, adjective, correct, sympathetic, witting)
0
wide awake(expression, adjective, correct, sympathetic, witting)
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APASmart Define. (2015). advertent thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/advertent/thesaurus/synonyms
ChicagoSmart Define. 2015. "advertent thesaurus" https://smartdefine.org/advertent/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, advertent thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/advertent/thesaurus/synonyms>.
MLASmart Define. "advertent thesaurus" 14 April 2015. Web. 26 September 2026. <https://smartdefine.org/advertent/thesaurus/synonyms>