86 entries under addition topic. ×

15
introduction(noun, new, opening, insert)
10
interpolation(noun, opening, establishment, introduction)
8
inclusion(noun, verb, insert, supplement)
5
addition(noun, verb, increase, lead, opening)
4
ingress(noun, lead, opening, launch)
4
insert(noun, increase, extra, supplement)
3
debut(noun, opening, establishment, introduction)
3
interposition
2
admittance(opening, establishment, introduction, reception)
2
establishment(opening, location, introduction, preface)
2
increase(noun, extra)
2
increment(noun, increase, extra)
2
influx(opening, establishment, introduction, preface)
2
intro(noun, opening, establishment, introduction)
2
presentation(noun, opening, establishment, introduction)
2
supplement(noun, increase, extra, pullout)
1
accession
1
accompaniment
1
addendum(noun, increase, extra)
1
annex(noun, increase, extra)
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APASmart Define. (2015). insertion thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/insertion/thesaurus/synonyms
ChicagoSmart Define. 2015. "insertion thesaurus" https://smartdefine.org/insertion/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, insertion thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/insertion/thesaurus/synonyms>.
MLASmart Define. "insertion thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/insertion/thesaurus/synonyms>