1
root motive(expression, reason, importance, significance)
1
root source(expression, reason, importance, significance)
1
shaping factor(expression, reason, importance, significance)
1
tenet
1
top priority(expression, reason, importance, significance)
1
turning point(expression, reason, importance, significance)
1
ultimate cause(expression, reason, importance, significance)
1
underlying cause(expression, reason, importance, significance)
1
upstream cause(expression, reason, importance, significance)
0
background
0
base
0
basis
0
cornerstone
0
foundation
0
groundwork
0
impressiveness
0
infrastructure
0
preferment
0
rudiment
0
rudiments
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APASmart Define. (2015). fundamental principle thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/fundamental_principle/thesaurus/synonyms
ChicagoSmart Define. 2015. "fundamental principle thesaurus" https://smartdefine.org/fundamental_principle/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, fundamental principle thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/fundamental_principle/thesaurus/synonyms>.
MLASmart Define. "fundamental principle thesaurus" 10 April 2015. Web. 29 September 2026. <https://smartdefine.org/fundamental_principle/thesaurus/synonyms>