7
apodeictic(adjective, demonstration)
5
demonstrable(adjective, demonstration)
4
absolute
4
certain(adjective, set, unquestionable, indisputable, unassailable)
4
conclusive(adjective, demonstration)
4
positive(adjective, set, certain, unquestionable, indisputable)
3
categorical
3
incontestable(adjective, set, certain, unquestionable, indisputable)
3
infallible(adjective, dependable, unerring)
3
true
3
unambiguous
3
unequivocal
2
accurate(set, certain, unquestionable, indisputable, unassailable)
2
beyond question(expression, set, certain, unquestionable, indisputable)
2
clear
2
decisive
2
definite
2
demonstrative
2
determinate
2
double-checked(set, certain, unquestionable, indisputable, unassailable)
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APASmart Define. (2015). apodictic thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/apodictic/thesaurus/synonyms
ChicagoSmart Define. 2015. "apodictic thesaurus" https://smartdefine.org/apodictic/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, apodictic thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/apodictic/thesaurus/synonyms>.
MLASmart Define. "apodictic thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/apodictic/thesaurus/synonyms>