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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
presumably it is
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "presumably it is" is correct and usable in written English.
You can use it when you want to express a belief or assumption about something that is likely true but not confirmed. Example: "The meeting was scheduled for 10 AM, so presumably it is still on."
✓ Grammatically correct
News & Media
Science
Encyclopedias
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
Amazon doesn't break out revenues from its Web Services, but presumably it is part of the "Other" line, which was only $131 million for the quarter and includes businesses besides Amazon Web Services (such as its merchant services).
News & Media
Presumably, it is due to its much weaker binding affinity (1.4 µM) than BDNF (Kd ∼10−10 M).
Science
Presumably it is packaged through its interaction with PduC/PduD.
(Presumably it is nonbinding).
News & Media
Presumably it is possible to meet this standard.
News & Media
Presumably it is a display of brute power by Vladimir Putin, Russia's prime minister.
News & Media
Presumably it is as accurate as all their other reports concerning foreign countries.
News & Media
Presumably it is the focus and endurance he learned through running.
News & Media
Presumably it is a portrait of Chagall and his first wife, Bella.
News & Media
Presumably it is Ukhova who has overseen the new sharpness in phrasing.
News & Media
Presumably it is based on computer evidence, yet instinct suggests that literally gazillions of runs are scored to third man.
News & Media
Expert writing Tips
Best practice
When using "presumably it is", consider if a stronger statement is warranted. If you have strong evidence, a more confident assertion might be more effective.
Common error
While useful, overuse of "presumably it is" can make your writing sound hesitant or speculative. Vary your sentence structure and use more direct assertions when appropriate.
Source & Trust
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "presumably it is" functions as an adverbial phrase, modifying a clause by expressing an assumption or a belief about its truth. As Ludwig AI confirms, the phrase is grammatically sound. Examples show it introducing inferences based on available information.
Frequent in
News & Media
50%
Science
43%
Encyclopedias
7%
Less common in
Formal & Business
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
In summary, "presumably it is" is a versatile adverbial phrase used to introduce assumptions or likely conclusions based on available information. Ludwig AI validates its grammatical correctness and common usage across various contexts, including news, science, and general discourse. To maintain writing effectiveness, avoid overusing the phrase, and consider substituting it with synonyms such as "it is likely that" or "it is assumed that" when appropriate. As Ludwig confirms, the examples suggest the phrase can be used to indicate a reasoned inference, but acknowledges potential uncertainty.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
it is presumed that
Formal phrasing, using a passive construction.
it is reasonable to assume
Emphasizes the logical basis for the assumption.
one can assume that
Expresses a general possibility of assumption.
it is likely that
Focuses on the probability of the statement.
it is probable that
Similar to 'likely', but perhaps indicates a slightly higher degree of certainty.
presumably this means
Connects the presumed idea to an implication.
it would seem that
Expresses the idea based on appearances.
it is understood that
Highlights that the assumption is commonly accepted.
the assumption is that
Highlights the nature of the statement as an assumption.
it's a fair assumption that
Similar to 'presumably', but conveys it is a valid assumption to make.
FAQs
How can I use "presumably it is" in a sentence?
You can use "presumably it is" to introduce an assumption or something that is likely true based on the available information. For example, "The train is running on schedule, so "presumably it is" on time".
What are some alternatives to "presumably it is"?
Some alternatives include "it is likely that", "it is assumed that", or "it would seem that" depending on the context.
Is "presumably it is" formal or informal?
"Presumably it is" can be used in both formal and informal contexts, but it leans toward a slightly more formal tone than simply saying "probably".
How can I avoid overusing "presumably it is" in my writing?
To avoid overuse, try to use direct statements when the evidence supports them. Also, consider using a variety of phrases that express similar meanings, such as "it is reasonable to assume" or "one can assume that".
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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