42 entries under addition topic. ×

20
inauguration(noun, act, appearance, accept, cause)
19
beginning(noun, action, act, appearance, cause)
16
inception(noun, act, appearance, cause, start)
15
installation(noun, act, accept, start, top)
15
institution(noun, opening, establishment, origin)
14
induction(noun, act, accept, start, top)
13
commencement(noun, act, appearance, cause, start)
10
establishment(noun, start, beginning, opening)
9
debut(noun, appearance, start, opening)
9
opening(noun, act, start, top, process)
8
launch(noun, act, start, process, beginning)
5
baptism(noun, start, beginning, opening)
3
admittance(noun, opening, establishment, introduction)
2
hornbook(opening, establishment, preface, foreword)
2
interpolation(opening, establishment, introduction, preface)
2
preliminaries(noun, start, beginning, opening)
2
presentation(noun, appearance, top, beginning, opening)
2
primer(opening, establishment, introduction, preface)
2
proem(start, beginning, opening, establishment)
1
awakening(opening, establishment, introduction, preface)
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APASmart Define. (2015). initiation thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/initiation/thesaurus/synonyms
ChicagoSmart Define. 2015. "initiation thesaurus" https://smartdefine.org/initiation/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, initiation thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/initiation/thesaurus/synonyms>.
MLASmart Define. "initiation thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/initiation/thesaurus/synonyms>