Synonyms|1kAntonyms|137|Broader|22Narrower|57Related|542
3
intrusion(noun, insertion)
3
lead(noun, verb, new, beginning, opening)
3
leading(noun, adjective, prelude)
3
nativity(noun, cause, beginning, source, origin)
3
outset(cause, start, top, beginning, opening)
3
penetration(noun, insertion)
3
piercing(noun, insertion)
3
preclusion
3
prolegomena(noun, precursor)
3
source(noun, cause, start, rise, top)
3
spring(noun, cause, top, beginning, opening)
3
voluntary
2
acceptance(noun, entrance, delivery, receipt, receiving)
2
acknowledgment(noun, weakness, experience, contact, risk)
2
addition(noun, change, shift, new, opening)
2
alpha(cause, top, beginning, opening, creation)
2
appearance(noun, show, start, development, display)
2
avant-propos
2
awakening(noun, new, opening, something, preface)
2
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APASmart Define. (2016). introduction thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/introduction/thesaurus/synonyms
ChicagoSmart Define. 2016. "introduction thesaurus" https://smartdefine.org/introduction/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2016, introduction thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/introduction/thesaurus/synonyms>.
MLASmart Define. "introduction thesaurus" 29 February 2016. Web. 20 September 2026. <https://smartdefine.org/introduction/thesaurus/synonyms>