Grounds
Grounds noun - Your basis for belief or disbelief; knowledge on which to base belief.
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Synonyms for Grounds
Theory
Theory noun - An idea that is the starting point for making a case or conducting an investigation.
Grounds and theory are semantically related in hypothesis topic. Sometimes you can use "Grounds" instead a noun "Theory".
Mutual synonyms
Related pairs
Both words in one sentence
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Genre Savvy: John, Kuroda's CIA contact, agrees with his theory that Shimomura is alive and faked his death, on the grounds of "That'd be more interesting." Guile Hero: Kuroda; while he's competent enough with a weapon, he prefers to get things done using his smarts.
Source: Series / Diplomat Kuroda Kousaku -
According to texts from Ancient Greece the Sophist theory of debate relied heavily on the use of this trope and other logical fallacies to win arguments, apparently on the grounds that logic and wisdom were merely tools to get what one wants and that they had no inherent value beyond that.
Source: Chewbacca Defense
Cite this Source
Theory and Grounds. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/grounds/theory
Grounds & Theory. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/grounds/theory>.
Theory or Grounds. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/grounds/theory.
Google Ngram Viewer shows how "grounds" and "theory" have occurred on timeline