| lookout(noun, place, watch, guard, awareness) | |
| tower(noun, case, watch, guard, post) | |
| outlook(noun, case, watch, guard, post) | |
| overlook(noun, case, watch, guard, post) | |
| observation post(expression, idiom) | |
| beacon(case, watch, guard, post, lookout) | |
| observation tower(noun, expression, idiom) | |
| planetarium | |
| belvedere(case, watch, guard, post, sentry) | |
| lookout station(noun, expression, idiom) | |
| watchtower(noun, lookout) | |
| astronomer | |
| astronomy | |
| cosmology | |
| observatories | |
| orrery | |
| sentinel(noun, case, watch, guard, post) | |
| sentry(noun, case, watch, guard, post) | |
| spotter(noun, case, watch, guard, post) | |
| watch(case, guard, post, sentry) |
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| APA | Smart Define. (2015). observatory thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/observatory/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "observatory thesaurus" https://smartdefine.org/observatory/thesaurus/synonyms (accessed September 20, 2026). |
| Harvard | Smart Define 2015, observatory thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/observatory/thesaurus/synonyms>. |
| MLA | Smart Define. "observatory thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/observatory/thesaurus/synonyms> |