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Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
assumed that
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "assumed that" is a perfectly valid and usable phrase in written English.
It is used to indicate that a particular statement is based on an assumption or speculation. For example, "It can be assumed that the new product will be popular."
✓ Grammatically correct
News & Media
Science
Wiki
Alternative expressions(20)
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
41 human-written examples
"I never assumed that".
News & Media
She assumed that was a deal breaker.
News & Media
She assumed that "nobody pays asking price.
News & Media
He assumed that was that.
News & Media
I just assumed that was the case.
News & Media
I just assumed that would be it.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
19 human-written examples
I assume that's facetious.
News & Media
Assuming, that is, that Russia lets it.
News & Media
Assuming, that is, all goes as planned.
News & Media
Assuming, that is, they can agree.
News & Media
This assumes that fertility starts to recover.
News & Media
Expert writing Tips
Best practice
When using "assumed that", ensure the context makes it clear that you're presenting a belief, not a proven fact. Avoid presenting assumptions as definitive statements.
Common error
Avoid using "assumed that" when stronger evidence exists. If you have data or proof, present it directly instead of framing it as an assumption.
Source & Trust
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "assumed that" functions as a reporting clause introducing a proposition taken to be true, often without concrete evidence. As Ludwig shows, it expresses a subjective belief or expectation. The phrase is frequently used to preface explanations or justifications based on personal perspectives.
Frequent in
News & Media
53%
Science
31%
Wiki
9%
Less common in
Formal & Business
7%
Encyclopedias
0%
Reference
0%
Ludwig's WRAP-UP
The phrase "assumed that" is a common way to introduce a statement based on belief or expectation, rather than concrete evidence. As Ludwig AI confirms, it is grammatically correct and widely used. It functions as a reporting clause and is most frequently found in News & Media and Scientific contexts. While generally neutral in register, it can be adapted to more formal settings by using synonyms like "presumed that" or "inferred that". When using this phrase, ensure clarity that you are presenting a belief, not a proven fact, and avoid overstating the assumption as definitive.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
presumed that
Replaces "assumed" with a more formal synonym, "presumed".
supposed that
A less formal alternative to "assumed that", indicating a belief without firm evidence.
taken it for granted that
Indicates an assumption that was not questioned or verified.
inferred that
Suggests that the assumption was based on some evidence or reasoning.
concluded that
Emphasizes the drawing of a conclusion, which might be based on incomplete information.
surmised that
Implies guessing or conjecture based on limited information.
believed that
Highlights the belief aspect of the assumption.
speculated that
Suggests a more tentative and uncertain assumption.
hypothesized that
Used in scientific contexts to introduce a testable assumption.
postulated that
Introduces an assumption as a basic principle or starting point.
FAQs
How can I use "assumed that" in a sentence?
You can use "assumed that" to introduce a belief or expectation. For example, "I "assumed that" the meeting would be short, but it lasted for hours."
What are some alternatives to "assumed that"?
Alternatives include "presumed that", "supposed that", or "believed that", depending on the nuance you want to convey.
Is it appropriate to use "assumed that" in formal writing?
Yes, "assumed that" is appropriate, but consider using more formal alternatives like "presumed that" or "inferred that" for a more professional tone.
What's the difference between "assumed that" and "knew that"?
"Assumed that" implies a belief based on limited evidence, while "knew that" suggests certainty based on knowledge or proof. If you "knew that" something was true, you had confirmation or solid evidence.
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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested