11
determinant(noun, adjective, definite, precise, sure)
9
conclusive(adjective, end, sound, reasonable, honest)
9
decisive(adjective, important, significant, definite, precise)
9
determining(adjective, conclusive)
8
final(adjective, last, definite, precise, decide)
8
crucial(adjective, important, decide, conclusive)
8
determiner
7
definitive(adjective, end, extreme, decide, absolute)
7
difference maker
6
deciding(adjective, important, significant, definite, precise)
5
critical(adjective, important)
4
authoritative(adjective, sound, reasonable, rational, decide)
4
certain(adjective, conclusive)
4
credible(adjective, sound, reasonable, rational, convincing)
4
fateful(adjective, significant)
4
formative(adjective, influential, impressionable)
4
valid(adjective, sound, right, reasonable, honest)
3
decided(adjective, conclusive)
3
definite(adjective, precise, sure, absolute, decisive)
3
determining factor(noun, expression, idiom)
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APASmart Define. (2015). determinative thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/determinative/thesaurus/synonyms
ChicagoSmart Define. 2015. "determinative thesaurus" https://smartdefine.org/determinative/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, determinative thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/determinative/thesaurus/synonyms>.
MLASmart Define. "determinative thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/determinative/thesaurus/synonyms>