37 entries under beginning topic. ×
| portico(opening, entry, doorway) | |
| postern | |
| inception(noun, opening) | |
| origin(noun, opening) | |
| inlet(opening, entry, doorway) | |
| propylaeum | |
| chops | |
| incipience | |
| lips | |
| mouth | |
| orifice | |
| point of departure(noun, opening) | |
| skirts | |
| wicket | |
| incipiency | |
| leadoff | |
| propylon |
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| APA | Smart Define. (2015). threshold thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/threshold/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "threshold thesaurus" https://smartdefine.org/threshold/thesaurus/synonyms (accessed September 21, 2026). |
| Harvard | Smart Define 2015, threshold thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/threshold/thesaurus/synonyms>. |
| MLA | Smart Define. "threshold thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/threshold/thesaurus/synonyms> |