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
by this purpose
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "by this purpose" is not commonly used in written English and may sound awkward or unclear.
It could be used in contexts where you are explaining the reason or intention behind an action, but it may require additional context for clarity. Example: "The project was initiated by this purpose: to improve community engagement and support local initiatives."
Science
News & Media
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
3 human-written examples
By this purpose, we use a fixed-point index theorem in cones and Leggett-Williams fixed-point theorem.
Compressed sensing (CS) [3 5] was motivated by this purpose and it can completely acquire the essential information of a signal by exploiting its compressibility.
By this purpose, the experiments were performed in a 1.3 L bioreactor (New Brunswick) containing 500 mL of minimal medium without glucose as described above, and 40 g of pretreated sugar cane bagasse.
Human-verified similar examples from authoritative sources
Similar Expressions
57 human-written examples
Much progress had been made in demobilising them, a project partly funded by the £270,000 given for this purpose by readers of The Independent who responded generously to an appeal last Christmas.
News & Media
Second, the Constitution might be amended by a Convention called for this purpose by two-thirds of the state legislatures.
Science
Efficiency measurement model (EMM) statistics, collected by Hefce for this purpose, are a start.
News & Media
Several esters of testosterone are commonly used by injection for this purpose.
Encyclopedias
We therefore will continue to ensure that the search itself is conducted in a proper manner, with supervision by counsel for this purpose.
News & Media
Mr. Anderson made just a handful of albums, and some of these — on the Alsut label, set up by Mr. Sutton for this purpose — were not widely distributed.
News & Media
If you say, "Whiz, with," as you should, your sandwich will come with grilled onions and Cheez Whiz, the unabashedly orange processed goo made by Kraft Foods; for this purpose, if few others, it is absolutely ideal.
News & Media
South African WP Nel has been signed by Edinburgh for this purpose.
News & Media
Expert writing Tips
Best practice
When using "by this purpose", ensure the context clearly establishes the purpose you're referring to. If the purpose is unclear, rephrase for better clarity.
Common error
Avoid using "by this purpose" if the intended goal or aim hasn't been explicitly stated. Provide sufficient context to prevent ambiguity.
Source & Trust
82%
Authority and reliability
3.3/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "by this purpose" functions as an adverbial phrase, modifying a verb or clause to indicate the reason or intention behind an action. Ludwig examples show it introducing explanations for experiments or motivations behind actions. The Ludwig AI summarizes it as acceptable but potentially awkward.
Frequent in
Science
66%
News & Media
33%
Formal & Business
0%
Less common in
Encyclopedias
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
The phrase "by this purpose" is a grammatically acceptable, though infrequently used, way to express the reason or intention behind an action. While understandable, Ludwig AI suggests it can sound awkward to modern ears. Its primary function is to clarify the motivation for a particular activity, often appearing in formal or scientific contexts. For more common and contemporary alternatives, consider using "for this reason" or "with this intention". Remember to provide clear context to avoid ambiguity when using "by this purpose", as explicitness is key to effective communication.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
for this reason
Replaces the phrase with a more common expression indicating cause or justification.
with this intention
Emphasizes the specific intent behind the action.
to that end
A more concise phrase indicating the goal or aim.
for this aim
A slightly more formal way of expressing the intended goal.
toward this goal
Highlights the direction or objective being pursued.
in pursuit of this
Emphasizes the active effort to achieve the stated purpose.
on account of this purpose
A more formal and less common variant expressing the reason or motive.
by virtue of this purpose
Indicates that the action is a direct consequence of the stated purpose.
considering this objective
Focuses on the specific objective that guides the action.
given this intent
Acknowledges the intent as a basis for the subsequent action.
FAQs
What does "by this purpose" mean?
The phrase "by this purpose" indicates that something is done because of a specific aim, goal, or intention. It's similar to saying "for this reason" or "with this intention".
How can I use "by this purpose" in a sentence?
You can use "by this purpose" to introduce the reason or justification for an action. For instance, you might say, "The research was conducted by this purpose: to identify new treatment options."
Are there alternatives to "by this purpose" that are more commonly used?
Yes, more common alternatives include "for this reason", "with this intention", or "to that end". These options may sound more natural in contemporary English.
Is "by this purpose" grammatically incorrect?
No, "by this purpose" isn't grammatically incorrect, but it's less frequently used and can sound somewhat formal or archaic. Modern usage often favors simpler alternatives.
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
82%
Authority and reliability
3.3/5
Expert rating
Real-world application tested