65 entries under base topic. ×

1
keynote(noun, support, action, beginning)
1
keystone(noun, support, action, beginning)
1
law(noun, support, action, beginning)
1
nexus(noun, support, action, beginning)
1
nucleus(noun, support, action, beginning)
1
postulate(noun, support, action, beginning)
1
premise(noun, support, action, cause, reason)
1
presumption(noun, support, action, beginning)
1
presupposition(noun, support, action, beginning)
1
principal element(noun, expression, support, action)
1
principle(noun, support, action, reason)
1
proof(noun, support, action, power, cause)
1
root(noun, support, action, cause, reason)
1
rudiment(noun, support, action, beginning)
1
sanction(noun, support, action, beginning)
1
security(noun, support, action, beginning)
1
source(noun, support, action, beginning)
1
substratum(noun, support, action, cause, reason)
1
theorem(noun, support, action, beginning)
1
theory(noun, support, action, reason)
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APASmart Define. (2015). justification thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/justification/thesaurus/synonyms
ChicagoSmart Define. 2015. "justification thesaurus" https://smartdefine.org/justification/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, justification thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/justification/thesaurus/synonyms>.
MLASmart Define. "justification thesaurus" 22 December 2015. Web. 22 September 2026. <https://smartdefine.org/justification/thesaurus/synonyms>