56 entries under noun topic. ×

1
leaving(beginning, opening, bow, exit)
1
nativity(cause, start, beginning, origin)
1
opener(top, beginning, opening, creation)
1
opening(start, top, beginning, launch)
1
outbreak(cause, start, beginning, origin)
1
rise(top, beginning, opening, creation)
1
root(cause, top, opening, source)
1
running start(expression, beginning, opening, bow)
1
setting out(expression, beginning, opening, bow)
1
start-off(beginning, opening, bow, exit)
1
starting point(expression, top, beginning, opening)
1
takeoff(start, top, beginning, opening)
0
incipience
0
incipiency
0
leadoff
0
well-spring
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APASmart Define. (2015). day one thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/day_one/thesaurus/synonyms
ChicagoSmart Define. 2015. "day one thesaurus" https://smartdefine.org/day_one/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, day one thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/day_one/thesaurus/synonyms>.
MLASmart Define. "day one thesaurus" 10 April 2015. Web. 29 September 2026. <https://smartdefine.org/day_one/thesaurus/synonyms>