- Definitions|2
- Thesaurus|1.6k
- Abbreviations|0
| lookout | |
| watcher | |
| watchman | |
| witness | |
| acceptant(adjective, open, friendly, sympathetic, ready) | |
| acceptive(adjective, open, friendly, sympathetic, ready) | |
| acquainted(adjective, understanding, sensible, knowledgeable, perceptive) | |
| acquiescent(adjective, compliant, submissive, docile, deferential) | |
| all eyes | |
| amenable(adjective, open, friendly, sympathetic, sensitive) | |
| anxious(adjective, strong, kind, keen, friendly) | |
| appreciative(adjective, aware) | |
| approachable(adjective, open, friendly, sympathetic, ready) | |
| au courant(expression, adjective, understanding, cool, sensible) | |
| aux aguets | |
| be up on(careful, knowledgeable, cautious, aware, attentive) | |
| biddable(adjective, compliant, submissive, docile, deferential) | |
| brilliant(adjective, cool, smart, bright, fast) | |
| calculating(careful, cautious, prudent, tactful, circumspect) | |
| canny(adjective, cool, kind, sharp, friendly) |
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| APA | Smart Define. (2016). observant thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/observant/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "observant thesaurus" https://smartdefine.org/observant/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2016, observant thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/observant/thesaurus/synonyms>. |
| MLA | Smart Define. "observant thesaurus" 29 March 2016. Web. 24 September 2026. <https://smartdefine.org/observant/thesaurus/synonyms> |