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
thoroughly ascertain
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "thoroughly ascertain" is correct and usable in written English.
It can be used when you want to emphasize the importance of completely and accurately determining or discovering information. Example: "Before making a decision, it is crucial to thoroughly ascertain all relevant facts and data."
✓ Grammatically correct
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
1 human-written examples
A critical meta-analysis should appropriately quantify the heterogeneity and thoroughly ascertain the caused reasons [110] such as using subgroup analysis, sensitive analysis and meta-regression.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
56 human-written examples
15 Each case lost to follow-up was thoroughly investigated to ascertain further details, in particular whether the child had died.
Hill puts forth nine tests for differentiating association and causation between environment and disease, before concluding ultimately that the idea is less to evaluate each test thoroughly than to ascertain enough information to best protect public welfare [ 54].
Second, the diagnostic reliability of the three samples has been ascertained thoroughly and is unlikely to be the cause of the observed heterogeneity.
Science
Initial interviews will be reflected and discussed in the research team to review the interviewer behaviour, thoroughly review the interview guides, and ascertain overall quality of data collection and processing.
Science
The blue and the green particles were thoroughly mixed, and it was not possible to ascertain with reflected light microscopy if the green was above the blue, underneath it or possibly a product of oxidation of the blue.
Science
However, where prescribing has been introduced to improve cost-effectiveness, individual provider numbers are needed to thoroughly monitor who prescribes which medicines how often and ascertain whether the implementation of nurse prescribing has had its intended effect.
Science
In this format, the interviewer could more thoroughly describe "respect" by using repeated and individualized questioning to ascertain the amount of respect a student has for each faculty member.
Science
We also recognized that a large number of indel loci spread throughout the genome might allow us to more thoroughly characterize the relationships among strains, which have been difficult to ascertain due to the limited number of markers used in previous studies.
Science
Nevertheless, we are convinced that all the included patients with an incident stroke indeed suffered a symptomatic stroke during follow-up, since all strokes were ascertained and thoroughly classified by experts in the field, based on medical records, brain images, or autopsy reports.
Science
score difficult to ascertain.
News & Media
Expert writing Tips
Best practice
Use "thoroughly ascertain" when you want to emphasize the need for a complete and accurate determination of facts, leaving no room for doubt.
Common error
Avoid using "thoroughly ascertain" in casual conversation or informal writing. Opt for simpler phrases like "find out" or "check" to maintain a natural tone.
Source & Trust
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "thoroughly ascertain" functions as a verb phrase, where 'thoroughly' modifies the verb 'ascertain'. This emphasizes the depth and completeness of the action. Ludwig confirms its usability.
Frequent in
Science
60%
News & Media
30%
Formal & Business
10%
Less common in
Encyclopedias
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
The phrase "thoroughly ascertain" is a grammatically correct and usable verb phrase, as confirmed by Ludwig AI. It is best suited for formal contexts, particularly in scientific, academic, and professional writing, where a complete and accurate determination is crucial. While less common in informal settings, its use underscores the importance of detail and precision. Alternatives such as "carefully determine" or "fully investigate" can be used depending on the specific context to convey a similar meaning.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
carefully determine
Emphasizes the caution and precision involved in finding something out.
completely verify
Focuses on confirming the truth or accuracy of something fully.
fully investigate
Highlights a detailed examination to uncover all relevant information.
comprehensively establish
Stresses the creation of a solid foundation of understanding through detailed work.
exhaustively confirm
Suggests a very detailed and thorough process of confirmation.
rigorously assess
Implies a strict and methodical evaluation to determine the facts.
meticulously probe
Highlights the careful and precise examination of something to find answers.
deeply explore
Suggests an intensive investigation to uncover hidden or complex aspects.
painstakingly uncover
Focuses on the effort and dedication required to reveal something hidden.
diligently inquire
Emphasizes the careful and persistent questioning involved in the process.
FAQs
How can I use "thoroughly ascertain" in a sentence?
You can use "thoroughly ascertain" in sentences like: "Before making a decision, it is crucial to thoroughly ascertain all relevant facts and data."
What are some alternatives to "thoroughly ascertain"?
You can use alternatives like "carefully determine", "completely verify", or "fully investigate" depending on the context.
Is "thoroughly ascertain" a formal phrase?
Yes, "thoroughly ascertain" is considered a formal phrase and is often used in academic, scientific, and professional writing.
When is it appropriate to use "thoroughly ascertain"?
It's appropriate to use "thoroughly ascertain" when you need to emphasize the importance of a complete and accurate determination of something, often in situations where precision and detail are crucial.
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
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested