59 entries under discerning topic. ×

46
alert(adjective, feature, characteristic, understanding, keen)
45
watchful(adjective, feature, characteristic, understanding, cool)
36
attentive(adjective, feature, characteristic, understanding, keen)
30
observant(adjective, feature, characteristic, understanding, cool)
15
aware(adjective, feature, characteristic, understanding, cool)
14
mindful(adjective, understanding, keen, sensible, certain)
12
sharp(adjective, understanding, cool, bright, lively)
11
awake(adjective, understanding, cool, reasonable, keen)
8
keen(adjective, understanding, sensible, certain, alert)
6
conscious(adjective, understanding, cool, keen, sensible)
5
judicious(adjective, understanding, cool, reasonable, sensible)
4
observing(adjective, understanding, keen, sensible, certain)
4
wise(adjective, understanding, cool, reasonable, sharp)
3
perceptive(adjective, understanding, cool, sharp, bright)
3
sagacious(adjective, understanding, cool, reasonable, sensible)
3
sage(adjective, understanding, cool, reasonable, sensible)
3
sensible(adjective, understanding, cool, reasonable, keen)
2
alive to(expression, adjective, understanding, keen, sensible)
2
cognizant(adjective, understanding, cool, keen, sensible)
2
conversant(adjective, understanding, cool, keen, sensible)
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APASmart Define. (2015). vigilant thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/vigilant/thesaurus/synonyms
ChicagoSmart Define. 2015. "vigilant thesaurus" https://smartdefine.org/vigilant/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, vigilant thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/vigilant/thesaurus/synonyms>.
MLASmart Define. "vigilant thesaurus" 10 April 2015. Web. 28 September 2026. <https://smartdefine.org/vigilant/thesaurus/synonyms>