Assert
Assert verb - To state (something) as a reason in support of or against something under consideration.
Usage example: asserted that a new roof would be necessary if the church was to remain open
Claim is a synonym for assert in affirm topic. In some cases you can use "Claim" instead the word "Assert" as a verb or a noun, when it comes to topics like attack, declare, maintain, assure. popular alternative
Claim
Claim verb - To state as a fact usually forcefully.
Usage example: people who claim that they have been kidnapped by aliens from other worlds
Assert is a synonym for claim in affirm topic. You can use "Assert" instead a verb "Claim", if it concerns topics such as attack, speech, demand, maintain. popular alternative
Mutual synonyms
Common collocations
Both words in one sentence
- Subverted in Jadis/the White Witch's case, as she only pretended to be part human to assert her claim to the throne.
Source: Half Human Hybrid / Literature -
The new King William of the House of Orange had to fight a war in Ireland to assert his claim to kingship there.
Source: Useful Notes / The Netherlands - This is how Gunboat Diplomacy works, if one nation wants to assert its claim over water territories, they send their biggest ships to show they mean business.
Source: Intimidation Demonstration
Cite this Source
Claim and Assert. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/assert/claim
Assert & Claim. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/assert/claim>.
Claim or Assert. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/assert/claim.
Google Ngram Viewer shows how "assert" and "claim" have occurred on timeline