40 entries under opening topic. ×

1
bow(noun, beginning, exit, birth)
1
countdown(noun, beginning, bow, exit)
1
derivation(noun, cause, beginning, bow)
1
embarkation(noun, cause, start, beginning)
1
exit(noun, beginning, bow, birth)
1
first step(noun, expression, beginning, bow)
1
flying start(noun, expression, beginning, bow)
1
foundation(noun, cause, start, beginning)
1
introduction(noun, cause, top, beginning)
1
jump-off(noun, beginning, bow, exit)
1
kickoff(noun, start, top, beginning)
1
leaving(noun, beginning, bow, exit)
1
opener(noun, top, beginning, creation)
1
rise(noun, top, beginning, creation)
1
root(noun, cause, top, source)
1
running start(noun, expression, beginning, bow)
1
setting out(noun, expression, beginning, bow)
1
start-off(noun, beginning, bow, exit)
1
starting point(noun, expression, top, beginning)
1
takeoff(noun, start, top, beginning)
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APASmart Define. (2015). day one thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/day_one/thesaurus/synonyms
ChicagoSmart Define. 2015. "day one thesaurus" https://smartdefine.org/day_one/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, day one thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/day_one/thesaurus/synonyms>.
MLASmart Define. "day one thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/day_one/thesaurus/synonyms>