Synonyms of assertion

assertion

noun

ə-ˈsər-shən 

1

as in declaration

a solemn and often public declaration of the truth or existence of something

the assertion that all men have certain unalienable rights is set forth in the Declaration of Independence

Synonyms & Similar Words

• declaration
• claim
• insistence
• allegation
• announcement
• affirmation
• proclamation
• argument
• avowal
• protestation
• profession
• asseveration
• pronouncement
• justification
• avouchment
• confirmation
• rationalization
• vindication
• reason
• reaffirmation
• reconfirmation

Antonyms & Near Antonyms

• question
• dispute
• disavowal
• disclaimer
• challenge
• refutation
• rebuttal
• denial
• contradiction
• negation
• disproof
• confutation

2

as in argument

an idea or opinion that is put forth in a discussion or debate

made the unlikely assertion that gravity affects light

Synonyms & Similar Words

• argument
• contention
• hypothesis
• thesis
• theory
• assumption
• guess
• hunch
• speculation
• proposition
• proposal
• conjecture
• explanation
• surmise
• rationale
• reason
• presupposition
• stand
• position
• supposition
• case

Examples of assertion in a Sentence

Recent Examples on the Web

Germany is denying an assertion made by former President Donald Trump during the presidential debate Tuesday about the country's renewable energy industry. —Ibrahim Aksoy, CBS News, 13 Sep. 2024

The Fubo/Venu case has been cited by DirecTV as an indication that Disney has had ulterior motives to avoid being flexible in talks with distributors, an assertion that Disney has refuted. —Dade Hayes, Deadline, 11 Sep. 2024

Ross Douthat makes dubious assertions about the Biden-Harris administration. —Letters To The Editor, The Mercury News, 22 Sep. 2024

This essential read gives life to Gilder’s assertions about California’s economic impact on the world, an impact that is very much informed by technology and financial sectors well populated by Jews. —John Tamny, Forbes, 18 Sep. 2024