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11
provable(adjective, clear, hard, sound)
9
verifiable(adjective, clear, hard, sound)
6
confirmable(adjective, clear, hard, sound)
11 years ago|5.1k views|share |citing 
APASmart Define. (2015). demonstrable thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/demonstrable/thesaurus/synonyms
ChicagoSmart Define. 2015. "demonstrable thesaurus" https://smartdefine.org/demonstrable/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, demonstrable thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/demonstrable/thesaurus/synonyms>.
MLASmart Define. "demonstrable thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/demonstrable/thesaurus/synonyms>