82 entries under opening topic. ×

6
genesis(noun, top, beginning, creation)
6
outset(noun, appearance, cause, start, top)
5
baptism(noun, start, beginning, addition)
4
dawn(noun, cause, start, top, beginning)
3
admittance(noun, addition, establishment, introduction)
3
enrollment(noun, appearance, start, beginning)
3
kickoff(noun, act, start, top, informal)
3
rise(start, top, beginning, creation)
2
alpha(noun, cause, start, top, beginning)
2
basis(noun, cause, top, source)
2
dawning(noun, cause, start, top, beginning)
2
day one(noun, expression, cause, start, top)
2
embarkation(noun, cause, beginning, source)
2
hornbook(addition, establishment, preface, foreword)
2
instigation(noun, start, beginning, origination)
2
interpolation(addition, establishment, introduction, preface)
2
opener(appearance, top, beginning, creation)
2
preliminaries(noun, start, beginning, addition)
2
presentation(noun, appearance, top, beginning)
2
primer(addition, establishment, introduction, preface)
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APASmart Define. (2015). initiation thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/initiation/thesaurus/synonyms
ChicagoSmart Define. 2015. "initiation thesaurus" https://smartdefine.org/initiation/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, initiation thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/initiation/thesaurus/synonyms>.
MLASmart Define. "initiation thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/initiation/thesaurus/synonyms>