Assertion
Assertion noun - A solemn and often public declaration of the truth or existence of something.
Usage example: the assertion that all men have certain unalienable rights is set forth in the Declaration of Independence
Argument is a synonym for assertion in dissertation topic. In some cases you can use "Argument" instead a noun "Assertion", when it comes to topics like proposition.
Argument
Argument noun - An idea or opinion that is put forth in a discussion or debate.
Usage example: it's my argument that we have too many problems here on earth to concern ourselves with manned trips to Mars
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Synonyms for Argument
Assertion is a synonym for argument in dissertation topic. You can use "Assertion" instead a noun "Argument", if it concerns topics such as proposition, debate, effort to convince.
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Cite this Source
Argument and Assertion. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/assertion/argument
Assertion & Argument. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/assertion/argument>.
Argument or Assertion. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/assertion/argument.
Google Ngram Viewer shows how "assertion" and "argument" have occurred on timeline