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
After ascertaining
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "After ascertaining" is correct and usable in written English.
It can be used when indicating that something will happen following the process of determining or finding out information. Example: "After ascertaining the facts, we will proceed with the decision-making process."
✓ Grammatically correct
Science
News & Media
Formal & Business
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
51 human-written examples
After ascertaining that my nonexistent valet had not inserted a bomb, he took me back to his curbside post and checked me in.
News & Media
After ascertaining that her embittered ex-beau "hates" her for what she's done, she tells him in a breathless whisper without a hint of melodrama: "I hate you too, Johnny.
News & Media
After ascertaining what kind of viewing equipment I planned to use at home, they recommended that I transfer the films to a DVD-R format so that I could play the movies both on my television set and on my computer.
News & Media
After ascertaining the accuracy of present model, the distributions of displacements and stresses for angle-ply laminated plates under temperature loads are also given in present work.
Science
After ascertaining that the Rh1 gene was transcribed and expressed in late-stage schizonts of the FCB-2 strain, invasion inhibition assays were carried out.
Science
After ascertaining economic viability, in 1946, TISCO decided to set up Coal Washeries in West Bokaro (1951) and Jamadoba (1952) (Ghosh 1964; Sen 2015).
Human-verified similar examples from authoritative sources
Similar Expressions
7 human-written examples
She joined a womyn's [sic] consciousness raising group and filed for divorce; Reed--after ascertaining she wasn't being mentally controlled by the Puppet Master or Psycho-Man--reluctantly agreed.
News & Media
After quickly ascertaining that the FedEx Office Print & Ship Center offered no working public facilities, I did the unthinkable: I abandoned my post.
News & Media
This highlights the importance of ascertaining patients after their first seizure rather than after a second or subsequent seizure.
Science
Turnbull said his departmental secretary would report back to him after he ascertained the facts.
News & Media
The second group included 43 patients with type 2 diabetes diagnosed at age ≥35 years for whom no insulin therapy was used for at least 2 years after diagnosis, ascertained as previously described (13).
Science
Expert writing Tips
Best practice
When using "after ascertaining", ensure that the subsequent action logically follows from the information that has been confirmed. Clarity in this sequence enhances readability.
Common error
Avoid using "after ascertaining" before vague or subjective statements. Ensure that what you've ascertained is a concrete fact, not an opinion or assumption, to maintain credibility.
Source & Trust
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "after ascertaining" functions as a prepositional phrase, introducing a clause that specifies the condition or prerequisite for the main action. Ludwig AI confirms its correct usage and provides numerous examples across diverse contexts.
Frequent in
Science
65%
News & Media
25%
Formal & Business
10%
Less common in
Encyclopedias
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "after ascertaining" is a grammatically sound and frequently used prepositional phrase that introduces a clause indicating a verified condition preceding a subsequent action. As noted by Ludwig AI, it is deemed correct and widely applicable across diverse contexts. Its primary function is to emphasize the importance of verified information in decision-making or action-taking. The register tends to be formal, and it is frequently encountered in scientific, academic, and professional settings. For more casual contexts, simpler alternatives may be more suitable. Remember to use it to introduce actions or decisions that logically follow concrete and verified facts.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
Upon determining
A more formal alternative, indicating a clear decision has been made.
Following confirmation
Focuses on confirming previously found information rather than the initial act of finding it out.
Based on the determination
Implies that a determination led directly to a subsequent action.
Once it was established that
More formal, emphasizes that something is now known as a solid fact.
Having verified
Highlights the verification process as the key action taken.
In light of the confirmation
Emphasizes confirmation as the basis for subsequent action.
Once satisfied that
Emphasizes a subjective sense of assurance.
With certainty established
Focuses on the state of certainty as a prerequisite.
Once proof was obtained
Emphasizes that something is now known as a solid fact with real proof.
Post verification
More concise and technical, suitable for specific contexts.
FAQs
How can I use "after ascertaining" in a sentence?
Use "after ascertaining" to introduce an action that logically follows the verification of specific information. For example, "After ascertaining the safety protocols, the team began the experiment."
What are some alternatives to "after ascertaining"?
You can use alternatives such as "upon determining", "following confirmation", or "having verified" depending on the context.
Is "after ascertaining" formal or informal?
"After ascertaining" tends to be more formal and is often used in academic, scientific, or professional contexts. In more casual settings, simpler alternatives may be more appropriate.
What's the difference between "after ascertaining" and "after checking"?
"After ascertaining" implies a more thorough and formal process of confirming something, whereas "after checking" suggests a more casual verification process. The choice depends on the level of rigor required.
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
4.5/5
Expert rating
Real-world application tested