95 entries under opening topic. ×

3
hornbook(noun, new, textbook, something)
3
influx(noun, rush, new, flow)
3
lead(noun, verb, new, beginning)
3
outset(cause, start, top, beginning)
3
source(noun, cause, start, rise, top)
3
spring(noun, cause, top, beginning)
2
addition(noun, change, shift, new)
2
alpha(cause, top, beginning, creation)
2
awakening(noun, new, something, preface)
2
baptism(noun, start, new, beginning)
2
basis(cause, top, source, creation)
2
head(noun, start, beginning, title)
2
heading(noun, start, beginning, title)
2
kickoff(start, top, approach, beginning)
2
onset(start, top, beginning, creation)
2
opener(appearance, start, top, beginning)
2
survey(noun, new, something, preface)
1
basic principles(noun, expression, new, something)
1
basic text(noun, expression, new, something)
1
dawning(cause, top, beginning, creation)
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APASmart Define. (2016). introduction thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/introduction/thesaurus/synonyms
ChicagoSmart Define. 2016. "introduction thesaurus" https://smartdefine.org/introduction/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, introduction thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/introduction/thesaurus/synonyms>.
MLASmart Define. "introduction thesaurus" 29 February 2016. Web. 24 September 2026. <https://smartdefine.org/introduction/thesaurus/synonyms>