90 entries under attentive topic. ×

2
sleepless(keen, alert, careful, watchful)
2
wide-awake(adjective, keen, alert, careful, considerate)
1
absorbed
1
agog(keen, alert, careful, watchful)
1
alive to(expression, adjective, careful, knowledgeable, aware)
1
all ears(expression, adjective, alert, careful, thoughtful)
1
au courant(expression, careful, knowledgeable, aware)
1
be up on(adjective, careful, knowledgeable, aware)
1
cognizant(careful, knowledgeable, aware, wary)
1
concentrating
1
considering
1
conversant(careful, knowledgeable, aware, wary)
1
engrossed
1
enraptured
1
entranced
1
fascinated
1
glued(adjective, alert, careful, suspicious)
1
hearkening
1
hooked(adjective, alert, careful, suspicious)
1
immersed
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APASmart Define. (2016). cautious thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/cautious/thesaurus/synonyms
ChicagoSmart Define. 2016. "cautious thesaurus" https://smartdefine.org/cautious/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, cautious thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/cautious/thesaurus/synonyms>.
MLASmart Define. "cautious thesaurus" 2 March 2016. Web. 27 September 2026. <https://smartdefine.org/cautious/thesaurus/synonyms>