129 entries under attentive topic. ×

2
conversant(adjective, understanding, cool, keen, sensible)
2
eager(alert, intelligent, precise, responsive)
2
engrossed
2
fascinated(adjective, considerate, responsive, aware)
2
finicky(adjective, careful, thoughtful, sober)
2
immersed(adjective, considerate, responsive, aware)
2
knowing(adjective, understanding, keen, sensible, certain)
2
lively(sharp, bright, active, alert, quick)
2
on the job(expression, adjective, idiom, sharp, bright)
2
on the qui vive(expression, adjective, idiom, sharp, bright)
2
psyched up(expression, sharp, bright, lively, active)
2
punctilious(adjective, careful, thoughtful, sober)
2
quick(adjective, understanding, cool, sharp, bright)
2
suspicious(adjective, restrained, alert, careful, hesitant)
2
understanding(adjective, keen, sensible, certain, alert)
2
with it(expression, understanding, keen, sharp, bright)
1
au courant(expression, adjective, understanding, keen, sensible)
1
be up on(adjective, careful, cautious, aware)
1
clear-sighted(alert, intelligent, watchful, sharp-eyed)
1
comprehending(alert, intelligent, watchful, sharp-eyed)
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APASmart Define. (2015). vigilant thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/vigilant/thesaurus/synonyms
ChicagoSmart Define. 2015. "vigilant thesaurus" https://smartdefine.org/vigilant/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, vigilant thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/vigilant/thesaurus/synonyms>.
MLASmart Define. "vigilant thesaurus" 10 April 2015. Web. 29 September 2026. <https://smartdefine.org/vigilant/thesaurus/synonyms>