Underpinning
Underpinning noun - An immaterial thing upon which something else rests.
Usage example: the underpinnings of the theory have recently been called into question
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Synonyms for Underpinning
Warrant and underpinning are semantically related. In some cases you can use "Warrant" instead a noun "Underpinning".
Nearby Words: underpin, underpinned
Warrant
Warrant noun - The approval by someone in authority for the doing of something.
Underpinning and warrant are semantically related. Sometimes you can use "Underpinning" instead a noun "Warrant".
Mutual synonyms
Cite this Source
Warrant and Underpinning. (2016). Retrieved 2026, August 07, from https://thesaurus.plus/related/underpinning/warrant
Underpinning & Warrant. N.p., 2016. Web. 07 Aug. 2026. <https://thesaurus.plus/related/underpinning/warrant>.
Warrant or Underpinning. 2016. Accessed August 07, 2026. https://thesaurus.plus/related/underpinning/warrant.
Google Ngram Viewer shows how "underpinning" and "warrant" have occurred on timeline