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
certification that
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "certification that" is correct and usable in written English.
It can be used when referring to a formal document or statement that verifies or confirms a particular fact or qualification. Example: "The certification that you have completed the training program is required for your application."
✓ Grammatically correct
News & Media
Science
Wiki
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
58 human-written examples
The researchers fault lax certification that allows forgeries or false documentation to be attached to weapons orders.
News & Media
The answer is that New York State credits courses for math certification that are really not math courses.
News & Media
Portions of the site are also certified by Starbucks, a certification that focuses mainly on the quality of the coffee.
News & Media
Andrew Goodman on Traffick: "I probably wouldn't adhere to the certification that required me to fact-check sources in a certain way.
News & Media
A change in teacher certification that went into effect this winter encouraged those who were considering teaching to act sooner rather than later, Dr. Payne said.
News & Media
Agriprocessors specializes in glatt kosher beef, the highest kosher certification that is reserved for meat from animals with smooth lungs bearing no lesions.
News & Media
By this logic, the lawyers contended, "any certification that fails to take into account the results of an ongoing manual recount could be set aside immediately".
News & Media
The technology doesn't entirely replace pilot skill, and the airline maintains a rigorous training program, including an Arctic certification that takes six to seven years to complete.
News & Media
But none of these possibilities have gone through all the necessary phases of testing and F.D.A. certification that would make them ready for widespread use.
News & Media
Before being accepted, applicants would submit to an "ideological certification" that would ensure that those who are admitted "share our values and love our people".
News & Media
"You need some form of certification that says this person can swim in open water for, say, one hour," he said.
News & Media
Expert writing Tips
Best practice
When using "certification that", ensure that the context clearly indicates what is being certified and by whom. This enhances clarity and avoids ambiguity.
Common error
Avoid using "certification that" in casual conversation or informal writing where simpler terms like "proof that" or "confirmation that" would be more appropriate.
Source & Trust
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "certification that" functions as a subordinating conjunction, introducing a dependent clause that specifies the content of the certification. According to Ludwig, this structure is grammatically correct and widely used. It connects the concept of certification to the information being certified, as seen in examples like, "The researchers fault lax certification that allows forgeries..."
Frequent in
News & Media
54%
Science
23%
Wiki
14%
Less common in
Formal & Business
5%
Academia
2%
Reference
2%
Ludwig's WRAP-UP
In summary, "certification that" is a grammatically sound and frequently used phrase, as confirmed by Ludwig, primarily functioning as a subordinating conjunction. It serves to formally assert or confirm a specific fact or qualification and is commonly found in news and media, science, and wiki contexts. While versatile, it's crucial to use it appropriately, avoiding overuse in informal settings where simpler alternatives might be more suitable. Understanding its function and register ensures effective communication, whether in formal reports or general news articles.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
verification that
Focuses on the act of confirming the truth or accuracy of something.
attestation that
Highlights a formal declaration or confirmation of something being true.
confirmation that
Emphasizes the act of making something definite or certain.
proof that
Stresses the evidence that demonstrates something is true.
guarantee that
Implies a promise or assurance that something will happen or is true.
validation that
Highlights the act of checking or proving the validity or accuracy of something.
assurance that
Focuses on giving confidence or certainty about something.
evidence that
Points to facts or information indicating that something is true.
documentation that
Emphasizes the provision of written or official records.
license that
Highlights the permission that allows something to happen or the holding of a legal permit.
FAQs
What does "certification that" mean?
The phrase "certification that" refers to a formal confirmation or validation of a specific fact, qualification, or standard. It indicates that something has been officially recognized or verified.
How can I use "certification that" in a sentence?
Use "certification that" to introduce a clause specifying what is being formally confirmed or validated. For example, "The company requires "certification that" all employees complete the safety training."
What are some alternatives to "certification that"?
Depending on the context, you can use alternatives like "verification that", "confirmation that", or "proof that" to convey a similar meaning.
Is there a difference between "certification that" and "assurance that"?
While both phrases imply certainty, "certification that" suggests a formal validation process, whereas "assurance that" implies a guarantee or promise. The choice depends on whether the emphasis is on formal validation or a pledge.
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
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested