43 entries under opening topic. ×

19
brink(noun, time, area, end, check)
17
door(noun, beginning, edge, borderline)
16
entrance(noun, place, beginning, borderline)
15
verge(noun, time, end, check, position)
13
doorway(noun, beginning, entrance, entry)
12
outset(noun, beginning, starting point)
11
portal(beginning, edge, entry, doorway)
9
doorstep(noun, beginning)
9
entry(noun, way, beginning, entrance)
9
gate(noun, beginning, entrance, entry)
9
start(noun, beginning)
9
starting point(noun, beginning)
8
edge(noun, time, position, line, beginning)
7
gateway(noun, beginning, entry, doorway)
7
porch(noun, beginning, edge, entry)
7
sill(noun, beginning)
5
dawn(noun, beginning)
5
point(noun, time, end, line, beginning)
4
vestibule(noun, beginning, entrance, entry)
4
entryway(noun, entry, doorway)
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APASmart Define. (2015). threshold thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/threshold/thesaurus/synonyms
ChicagoSmart Define. 2015. "threshold thesaurus" https://smartdefine.org/threshold/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, threshold thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/threshold/thesaurus/synonyms>.
MLASmart Define. "threshold thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/threshold/thesaurus/synonyms>