Demonstrable
Demonstrable adjective - Capable of being proven as true or real.
Firm and demonstrable are semantically related. In some cases you can use "Firm" instead an adjective "Demonstrable".
Firm
Firm adjective - Not showing weakness or uncertainty.
Demonstrable and firm are semantically related. Sometimes you can use "Demonstrable" instead an adjective "Firm".
Cite this Source
Firm and Demonstrable. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/demonstrable/firm
Demonstrable & Firm. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/demonstrable/firm>.
Firm or Demonstrable. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/demonstrable/firm.
Google Ngram Viewer shows how "demonstrable" and "firm" have occurred on timeline