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Assertation vs. Assertion — Which is Correct Spelling?

Edited by Tayyaba Rehman — By Fiza Rafique — Updated on March 19, 2024
"Assertation" is an incorrect spelling. The correct spelling is "assertion," which refers to a confident and forceful statement of fact or belief.
Assertation vs. Assertion — Which is Correct Spelling?

Which is correct: Assertation or Assertion

How to spell Assertion?


Incorrect Spelling


Correct Spelling

Key Differences

“Assert” your knowledge by dropping the extra “at.”
Think of the base verb "assert" and simply add "ion."
"Assert" is direct; so is "assertion" without the extra "at."
Connect "assertion" with "certainty," both have a direct "rt" sequence.
An assertion asserts a point, with no space for additional letters.

How Do You Spell Assertion Correctly?

Incorrect: The assertation that the earth is flat is widely disputed.
Correct: The assertion that the earth is flat is widely disputed.
Incorrect: The article begins with a bold assertation.
Correct: The article begins with a bold assertion.
Incorrect: His assertation of innocence did not convince the jury.
Correct: His assertion of innocence did not convince the jury.
Incorrect: She made an assertation about her rights at work.
Correct: She made an assertion about her rights at work.
Incorrect: His assertation lacked the evidence to be credible.
Correct: His assertion lacked the evidence to be credible.

Assertion Definitions

An act of asserting oneself or one's abilities.
With bold assertion, she showcased her talents.
A confident and forceful statement of fact or belief.
His assertion was met with skepticism.
The action of stating something or exercising authority confidently.
The assertion of one's rights is crucial.
A behavior or gesture that manifests confidence.
Walking into the room with assertion, he captivated the audience.
The act of asserting.
Something declared or stated positively, often with no support or attempt at proof.
The act of asserting; positive declaration or averment.
Something which is asserted; a declaration; a statement asserted.
You're a man of strong assertions!
A statement or declaration which lacks support or evidence.
That's just a bare assertion.
Maintenance; vindication
The assertion of one's rights or prerogatives
(computer programming) A statement in a program asserting a condition expected to be true at a particular point, used in debugging.
The act of asserting, or that which is asserted; positive declaration or averment; affirmation; statement asserted; position advanced.
There is a difference between assertion and demonstration.
Maintenance; vindication; as, the assertion of one's rights or prerogatives.
A declaration that is made emphatically (as if no supporting evidence were necessary)
The act of affirming or asserting or stating something
A declaration that is made emphatically.
Her assertion that the earth is flat startled everyone.

Assertion Meaning in a Sentence

His assertion that he had been elsewhere was proven false.
The scientist's assertion was backed up by years of research.
Despite his assertion, there was no evidence to support his claim.
Her assertion about the policy changes sparked a debate.
He made an assertion of authority over the group.
The book's main assertion challenges a traditional viewpoint.
The assertion of independence was a pivotal moment in history.
She made a strong assertion of her opinions during the meeting.
The assertion of consumer rights is increasingly important.
The teacher's assertion on the subject clarified many doubts.
His assertion of loyalty to the team was questioned.
His assertion about environmental issues raised awareness.
The lawyer's assertion seemed to sway the jury's opinion.
The philosopher made an interesting assertion about human nature.
Their assertion that the project would be completed on time was ambitious.
The assertion of facts was necessary for the argument.
The CEO made an assertion about future company performance.
Her assertion that she had seen a ghost caused quite a stir.
Her confident assertion left no room for doubt.
Their assertion of the company's success was met with skepticism.
The political leader's assertion was broadcasted nationwide.
The assertion that technology improves learning is debatable.
The article includes an assertion about the economy's growth.
She stood by her assertion, despite opposition.
The assertion of rights became a rallying point for the movement.

Common Curiosities

Why is it called assertion?

It is called "assertion" because it derives from the verb "assert," which means to state confidently.

What is the pronunciation of assertion?

It's pronounced as /əˈsɜr.ʃən/.

What is the root word of assertion?

The root word is "assert."

Which vowel is used before assertion?

The vowel "an" can be used, as in "an assertion."

What is the singular form of assertion?

The singular form is "assertion."

What is the plural form of assertion?

The plural form is "assertions."

Is assertion an adverb?

No, "assertion" is not an adverb.

What is the verb form of assertion?

The verb form is "assert."

Which article is used with assertion?

The articles "the" and "an" can be used.

Which preposition is used with assertion?

"Of" as in "assertion of rights."

Which conjunction is used with assertion?

No specific conjunction is exclusively tied to "assertion."

Is assertion a countable noun?

Yes, for example: "He made several assertions."

Is the word assertion imperative?

No, "assertion" is not in imperative form.

Is the assertion term a metaphor?

No, but it can be used metaphorically in various contexts.

Is assertion a negative or positive word?

Neutral, but can take on positive or negative connotations depending on context.

Is assertion a vowel or consonant?

"Assertion" is a word containing both vowels and consonants.

How do we divide assertion into syllables?


What is the opposite of assertion?

The opposite could be "denial" or "retraction."

What is the second form of assertion?

Assertion doesn't have traditional verb forms with tenses.

What is the third form of assertion?

Assertion doesn't have traditional verb forms with tenses.

Is assertion an abstract noun?

Yes, it represents an idea or quality rather than a physical entity.

How many syllables are in assertion?

There are three syllables.

What is the first form of assertion?

The base form is "assertion."

How is assertion used in a sentence?

Example: "His assertion that he had been at home all night was contradicted by the evidence."

Is assertion a collective noun?

No, it's not a collective noun.

Is assertion a noun or adjective?

"Assertion" is a noun.

What is a stressed syllable in assertion?

The second syllable "ser" is stressed.

What part of speech is assertion?

"Assertion" is a noun.

What is another term for assertion?

Another term could be "declaration" or "claim."

Which determiner is used with assertion?

Common determiners include "this," "that," "each," and "every."

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Author Spotlight

Written by
Fiza Rafique
Fiza Rafique is a skilled content writer at, where she meticulously refines and enhances written pieces. Drawing from her vast editorial expertise, Fiza ensures clarity, accuracy, and precision in every article. Passionate about language, she continually seeks to elevate the quality of content for readers worldwide.
Tayyaba Rehman is a distinguished writer, currently serving as a primary contributor to As a researcher in semantics and etymology, Tayyaba's passion for the complexity of languages and their distinctions has found a perfect home on the platform. Tayyaba delves into the intricacies of language, distinguishing between commonly confused words and phrases, thereby providing clarity for readers worldwide.

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