76 entries under start topic. ×

2
emergence(rise, beginning, origin, birth)
2
foundation(noun, cause, beginning, opening)
2
launch(beginning, introduction)
2
onfall(noun, attack, beginning, assault)
2
square one(noun, expression, top, beginning)
2
takeoff(noun, top, beginning, opening)
1
bow(noun, beginning, opening, birth)
1
countdown(noun, beginning, opening, birth)
1
intro(beginning, introduction)
1
lead-in(beginning, introduction)
1
opener(top, beginning, opening, creation)
1
seizure(noun, attack, beginning, commencement)
0
admission(beginning, origination, initiation, outset)
0
beginning attack(noun, expression, beginning, commencement)
0
celebration(beginning, origination, initiation, outset)
0
coming out(expression, beginning, introduction)
0
commencing(beginning, origination)
0
convocation(beginning, origination, initiation, outset)
0
curtain-raiser(beginning, introduction, origination, initiation)
0
formation
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APASmart Define. (2015). onset thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/onset/thesaurus/synonyms
ChicagoSmart Define. 2015. "onset thesaurus" https://smartdefine.org/onset/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, onset thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/onset/thesaurus/synonyms>.
MLASmart Define. "onset thesaurus" 17 July 2015. Web. 24 September 2026. <https://smartdefine.org/onset/thesaurus/synonyms>