Keystone
Keystone noun - An immaterial thing upon which something else rests.
Usage example: a committed socialist who argues that greed is the keystone of capitalism
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Synonyms for Keystone
Rationale
Rationale noun - A statement given to explain a belief or act.
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Synonyms for Rationale
Keystone and rationale are semantically related. Sometimes you can use "Keystone" instead a noun "Rationale".
Mutual synonyms
Related pairs
How words are described
| particular | particular keystone | particular rationale |
| real | real keystone | real rationale |
| important | important keystone | important rationale |
| final | final keystone | final rationale |
Cite this Source
Rationale and Keystone. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/keystone/rationale
Keystone & Rationale. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/keystone/rationale>.
Rationale or Keystone. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/keystone/rationale.
Google Ngram Viewer shows how "keystone" and "rationale" have occurred on timeline