62 entries under understanding topic. ×

47
alert(adjective, feature, characteristic, keen)
39
vigilant(adjective, feature, characteristic, cool)
36
observant(adjective, feature, characteristic, cool)
32
attentive(adjective, feature, characteristic, keen)
20
mindful(adjective, keen, sensible, certain)
15
aware(adjective, feature, characteristic, cool)
13
awake(adjective, cool, reasonable, keen)
8
observing(adjective, keen, sensible, certain)
8
sharp(adjective, cool, keen, bright)
7
conscious(adjective, cool, keen, sensible)
6
judicious(adjective, cool, reasonable, smart)
6
keen(adjective, sensible, certain, alert)
4
discerning(adjective, cool, reasonable, keen)
4
perceptive(adjective, cool, sharp, bright)
3
knowing(adjective, keen, smart, sensible)
3
quick(adjective, cool, sharp, smart)
3
sagacious(adjective, cool, reasonable, smart)
3
sensible(adjective, cool, reasonable, keen)
2
wise(adjective, cool, reasonable, sharp)
2
alive to(verb, expression, adjective, phrasal verb)
10 years ago|14k views|share |citing 
APASmart Define. (2016). watchful thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/watchful/thesaurus/synonyms
ChicagoSmart Define. 2016. "watchful thesaurus" https://smartdefine.org/watchful/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, watchful thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/watchful/thesaurus/synonyms>.
MLASmart Define. "watchful thesaurus" 26 February 2016. Web. 26 September 2026. <https://smartdefine.org/watchful/thesaurus/synonyms>