102 entries under expression topic. ×

1
fundamental principle(reason, importance, significance)
1
fundamental reason(reason, importance, significance)
1
fundamental term(reason, importance, significance)
1
head honcho(noun, head, boss, leader)
1
initial cause(reason, importance, significance)
1
issue main reason(reason, importance, significance)
1
key condition(reason, importance, significance)
1
key element(reason, importance, significance)
1
key enabler(reason, importance, significance)
1
key factor(moment, influence, importance)
1
key idea(reason, importance, significance)
1
key pillar(reason, importance, significance)
1
key reason(reason, importance, significance)
1
main cause(reason, importance, significance)
1
main condition(reason, importance, significance)
1
main criterion(reason, importance, significance)
1
main culprit(reason, importance, significance)
1
main reason(reason, importance, significance)
1
major asset(reason, importance, significance)
1
major cause(reason, importance, significance)
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APASmart Define. (2013). key player thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/key_player/thesaurus/synonyms
ChicagoSmart Define. 2013. "key player thesaurus" https://smartdefine.org/key_player/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2013, key player thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/key_player/thesaurus/synonyms>.
MLASmart Define. "key player thesaurus" 18 May 2013. Web. 20 September 2026. <https://smartdefine.org/key_player/thesaurus/synonyms>