Used and loved by millions
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
presumptively
Grammar usage guide and real-world examplesUSAGE SUMMARY
The word "presumptively" is correct and usable in written English.
You can use this word when you are making an assumption, inference, conclusion, or judgment based on available evidence or information. For example: "We can presume that the cause of the explosion was a gas leak, based on the reports of nearby residents and the smell of gas coming from the area."
✓ Grammatically correct
News & Media
Encyclopedias
Science
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
60 human-written examples
Categories of RTBF requests/requesters that are accepted or presumptively accepted (e.g., health information, address or telephone number, intimate information, information older than a certain time) and how those categories are defined and assessed.
News & Media
Here is what we think, at a minimum, should be disclosed What we seek Categories of RTBF requests/requesters that are excluded or presumptively excluded (e.g., alleged defamation, public figures) and how those categories are defined and assessed.
News & Media
America's Justice Department has called such deals "presumptively unlawful" and has vowed to prosecute them with vigour.
News & Media
After looking at the history of presidential recess appointments, and finding only a few "anomalies" where chief executives made appointments during short Senate breaks of 8 or 9 days, the majority settled on a number: We conclude, in light of historical practice, that a recess of more than 3 days but less than 10 days is presumptively too short to fall within the Clause.
News & Media
We add the word "presumptively" to leave open the possibility that some very unusual circumstance a national catastrophe, for instance, that renders the Senate unavailable but calls for an urgent response could demand the exercise of the recess-appointment power during a shorter break.
News & Media
Thus, across a wide range of issues and themes and in addition to overseeing human rights treaties deemed legally binding in theory, the UN has adopted human rights instruments that are presumptively not legally binding, as is, in contrast, a treaty or a resolution of the Security Council.
Encyclopedias
The purpose of the law is to see whether such a child has a legal right to stay, as, perhaps, a political refugee; for that reason, it is wrong to presumptively call the border children illegal.
News & Media
Often, discussions of N.S.A. excesses concern only Americans; what it is doing with foreigners is treated as presumptively reasonable.
News & Media
The chairman should, as just suggested, toughen up his proposal to presumptively outlaw fast lanes and degradation schemes.
News & Media
The State Department declined to take action, noting that the children were presumptively Muslim, because Aboud herself was and had stated in the course of the custody proceedings that she planned to raise them in a Muslim household.
News & Media
For centuries, the sky in paintings was heavenly (azure, angel-stuffed) or else was rendered unobtrusively, as a backdrop for the presumptively more important activities on the ground.
News & Media
Expert writing Tips
Best practice
Use "presumptively" when you want to indicate that a conclusion is based on a reasonable assumption, but is still open to revision if new evidence emerges.
Common error
Avoid using "presumptively" too frequently in your writing. Overuse can make your writing sound hesitant or overly cautious. Choose stronger, more direct language when appropriate.
Source & Trust
91%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The primary grammatical function of "presumptively" is as an adverb. It modifies verbs, adjectives, or other adverbs to indicate that something is assumed to be true unless proven otherwise. This is supported by Ludwig's examples, which show it modifying adjectives like "unlawful" or verbs implicitly.
Frequent in
News & Media
50%
Science
30%
Encyclopedias
20%
Less common in
Formal & Business
0%
Wiki
0%
Social Media
0%
Ludwig's WRAP-UP
In summary, "presumptively" functions as an adverb used to express assumptions that are considered true unless proven otherwise. According to Ludwig, its grammatical usage is correct, and is often found in formal contexts such as news, science, and encyclopedias. Although "presumptively" is a common word, it is worth noting that overuse may make writing sound overly cautious. Related terms include "ostensibly" and "seemingly", which can serve as alternatives in certain contexts.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
putatively
Indicates something is commonly believed or reputed, but not necessarily proven.
seemingly
Focuses on how something appears, without confirming its truth.
apparently
Emphasizes the outward appearance or indication of something.
supposedly
Implies the information might be based on hearsay or unconfirmed reports.
ostensibly
Suggests a stated or apparent reason, which may or may not be the actual one.
in all likelihood
Indicates a high probability based on current evidence.
on the face of it
Highlights a judgment based on initial observation or information.
according to what is known
Highlights a conclusion based on the available facts or evidence.
by all accounts
Indicates a conclusion drawn from multiple reports or opinions.
as far as one can tell
Focuses on the limits of one's knowledge or perception.
FAQs
How to use "presumptively" in a sentence?
Use "presumptively" to indicate that something is assumed to be true or likely based on the available evidence. For example, "The document is "presumptively valid" until proven otherwise."
What can I say instead of "presumptively"?
You can use alternatives like "presumably", "ostensibly", or "seemingly" depending on the specific context.
Which is correct, "presumptively valid" or "presumptive valid"?
"Presumptively valid" is generally more correct because "presumptively" is an adverb modifying the adjective "valid". "Presumptive" is an adjective and would need to modify a noun.
What's the difference between "presumptively" and "presumably"?
"Presumptively" implies that an assumption is made based on a legal or procedural standard, while ""presumably"" suggests a more general assumption based on available information or likelihood.
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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
91%
Authority and reliability
4.6/5
Expert rating
Real-world application tested