Assertion and Reasoning

Assertion

Assertion noun - A solemn and often public declaration of the truth or existence of something.

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Reasoning and assertion are semantically related. In some cases you can use "Reasoning" instead a noun "Assertion".

Reasoning noun - The thought processes that have been established as leading to valid solutions to problems.

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Assertion and reasoning are semantically related. Sometimes you can use "Assertion" instead a noun "Reasoning".

Nearby Words: reason, reasonable, reasoned, reasonably

original	original assertion	original reasoning
initial	initial assertion	initial reasoning
logical	logical assertion	logical reasoning
false	false assertion	false reasoning
Other adjectives: vague, scientific.

Begging the Question: A logical fallacy where you claim to prove something simply by asserting that it's true (usually in slightly different wording; Circular Reasoning is similar, but with more than two steps intervening between the postulate and the assertion).

Source: Catch-22 Dilemma
Insane Troll Logic: Zenigata's assertion in some versions that Lupin's capture will promote friendship between his country and France, which is promptly lampshaded by Jigen and Lupin.Dan Dunn: That's real weird reasoning!

Source: Anime / The Mystery of Mamo

Cite this Source

Reasoning and Assertion. (2016). Retrieved 2026, July 27, from https://thesaurus.plus/related/assertion/reasoning

Assertion & Reasoning. N.p., 2016. Web. 27 Jul. 2026. <https://thesaurus.plus/related/assertion/reasoning>.

Reasoning or Assertion. 2016. Accessed July 27, 2026. https://thesaurus.plus/related/assertion/reasoning.

Google Ngram Viewer shows how "assertion" and "reasoning" have occurred on timeline