| apprehensible(adjective, obvious, articulate, understandable, silver-tongued) | |
| bioluminescent | |
| fair(adjective, clear, light, pleasant, bright) | |
| garish(adjective, bright) | |
| glossy(adjective, light, bright, intense, brilliant) | |
| good | |
| graspable(adjective, obvious, articulate, understandable, silver-tongued) | |
| illuminant | |
| incisive | |
| irradiate | |
| keen | |
| limpid(adjective, clear, light, bright, plain) | |
| luculent(adjective, intelligible) | |
| lurid(adjective, bright) | |
| nonambiguous(adjective, intelligible) | |
| penetrating | |
| perceptive | |
| percipient | |
| splendid(adjective, bright, polished, glowing, magnificent) | |
| straightforward |
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| APA | Smart Define. (2016). luminous thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/luminous/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "luminous thesaurus" https://smartdefine.org/luminous/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2016, luminous thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/luminous/thesaurus/synonyms>. |
| MLA | Smart Define. "luminous thesaurus" 31 March 2016. Web. 23 September 2026. <https://smartdefine.org/luminous/thesaurus/synonyms> |