484 entries under noun topic. ×

2
winning(gain, achievement, recovery, attainment)
1
admittance(lead, beginning, opening, launch)
1
about-face(break, change, advance, turn)
1
accruing(process, adding, totaling, toting)
1
accrument(increase, rise)
1
adding up(expression, adding, totaling, toting)
1
adjoining(process, adding, inclusion)
1
adjustment(break, change, advance, turn)
1
advancement(advance, increase, rise, progress)
1
affixing(process, adding, inclusion)
1
afterthought(supplement, digression, postscript)
1
aggregate(mark, damage, total, rest)
1
alteration(change, variation, modification, revolution)
1
amount(mark, total, quantity, average)
1
ancillary(adjective, attachment)
1
appliance(decoration, fixture)
1
appropriation
1
arm(increase, delay, development, spread)
1
assumption
1
bestowal(increase, influence, say, gift)
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APASmart Define. (2015). addition thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/addition/thesaurus/synonyms
ChicagoSmart Define. 2015. "addition thesaurus" https://smartdefine.org/addition/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, addition thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/addition/thesaurus/synonyms>.
MLASmart Define. "addition thesaurus" 22 December 2015. Web. 29 September 2026. <https://smartdefine.org/addition/thesaurus/synonyms>