Grounds
Grounds noun - Your basis for belief or disbelief; knowledge on which to base belief.
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Synonyms for Grounds
Soil
Soil noun - Foul matter that mars the purity or cleanliness of something.
Both words in one sentence
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Although at the time Thor was acting on what he believed was his royal duty in response to the earlier breach by the Jotuns on Asgardian soil on his coronation day (so it's still grounds for war, just with Asgard being the one to declare it instead of Jotunheim).
Source: Film / Thor -
Declaring its existence after the revelations about the missiles would make it look like they were lying (in addition to not having had legal grounds for moving Soviet war material onto Cuban soil because they hadn't had an alliance), so they never ended up revealing it.
Cite this Source
Soil and Grounds. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/grounds/soil
Grounds & Soil. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/grounds/soil>.
Soil or Grounds. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/grounds/soil.
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