83 entries under reason topic. ×

1
crunch point(expression, importance, significance)
1
deciding factor(expression, importance, significance)
1
decisive point(expression, importance, significance)
1
determinant factor(expression, importance, significance)
1
determinative factor(expression, importance, significance)
1
dominant cause(expression, importance, significance)
1
dominant factor(expression, importance, significance)
1
driving factor(expression, importance, significance)
1
first principle(expression, importance, significance)
1
fundamental cause(expression, importance, significance)
1
fundamental premise(expression, importance, significance)
1
fundamental principle(expression, importance, significance)
1
fundamental reason(expression, importance, significance)
1
fundamental term(expression, importance, significance)
1
governing factor(expression, importance, significance)
1
initial cause(expression, importance, significance)
1
issue main reason(expression, importance, significance)
1
key aspect(expression, importance, significance)
1
key condition(expression, importance, significance)
1
key element(expression, importance, significance)
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APASmart Define. (2013). decisive factor thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/decisive_factor/thesaurus/synonyms
ChicagoSmart Define. 2013. "decisive factor thesaurus" https://smartdefine.org/decisive_factor/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2013, decisive factor thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/decisive_factor/thesaurus/synonyms>.
MLASmart Define. "decisive factor thesaurus" 18 May 2013. Web. 20 September 2026. <https://smartdefine.org/decisive_factor/thesaurus/synonyms>