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66 entries under noun topic. ×
| concept(understanding, view, idea, image) | |
| idea(concept, understanding, view, image) | |
| image(concept, understanding, idea, visualization) | |
| nightmare(concept, understanding, view) | |
| phantasm(concept, understanding, view) | |
| visualization(concept, understanding, idea, image) |
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| APA | Smart Define. (2011). castles in the air thesaurus. Retrieved October 2, 2026, from https://smartdefine.org/castles_in_the_air/thesaurus/synonyms |
| Chicago | Smart Define. 2011. "castles in the air thesaurus" https://smartdefine.org/castles_in_the_air/thesaurus/synonyms (accessed October 2, 2026). |
| Harvard | Smart Define 2011, castles in the air thesaurus, Smart Define, viewed 2 October, 2026, <https://smartdefine.org/castles_in_the_air/thesaurus/synonyms>. |
| MLA | Smart Define. "castles in the air thesaurus" 24 May 2011. Web. 2 October 2026. <https://smartdefine.org/castles_in_the_air/thesaurus/synonyms> |