Synonyms|88Antonyms|0|Broader|0Narrower|0Related|0
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reason fundamental(expression, reason, importance, significance)
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root cause(expression, reason, importance, significance)
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root source(expression, reason, importance, significance)
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shaping factor(expression, reason, importance, significance)
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top priority(expression, reason, importance, significance)
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ultimate cause(expression, reason, importance, significance)
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underlying cause(expression, reason, importance, significance)
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upstream cause(expression, reason, importance, significance)
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APASmart Define. (1970). opinion maker thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/opinion_maker/thesaurus/synonyms
ChicagoSmart Define. 1970. "opinion maker thesaurus" https://smartdefine.org/opinion_maker/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 1970, opinion maker thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/opinion_maker/thesaurus/synonyms>.
MLASmart Define. "opinion maker thesaurus" 1 January 1970. Web. 24 September 2026. <https://smartdefine.org/opinion_maker/thesaurus/synonyms>