95 entries under opening topic. ×

8
overture(noun, performance, appearance, show, start)
8
admission(noun, state, appearance, accept, start)
8
foundation(noun, cause, beginning, origin)
8
inception(noun, cause, start, top, new)
8
installation(noun, start, top, new, beginning)
7
establishment(noun, new, origin, birth)
6
preliminary(noun, adjective, start, approach, beginning)
6
start(noun, cause, rise, top, lead)
5
admittance(noun, state, accept, lead, connection)
5
entrance(noun, state, appearance, accept, cause)
5
ingress(noun, state, accept, cause, connection)
5
lead-in(noun, start, approach, new, beginning)
5
origin(noun, cause, start, rise, top)
5
starting point(expression, top, beginning, birth)
4
birth(noun, cause, start, top, beginning)
4
genesis(noun, cause, top, beginning)
4
interpolation(noun, new, something, supplement)
4
preliminaries(noun, start, new, beginning)
4
primer(noun, new, something, preface)
3
dawn(noun, cause, start, top, beginning)
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APASmart Define. (2016). introduction thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/introduction/thesaurus/synonyms
ChicagoSmart Define. 2016. "introduction thesaurus" https://smartdefine.org/introduction/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, introduction thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/introduction/thesaurus/synonyms>.
MLASmart Define. "introduction thesaurus" 29 February 2016. Web. 23 September 2026. <https://smartdefine.org/introduction/thesaurus/synonyms>