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
assumptions
Grammar usage guide and real-world examplesUSAGE SUMMARY
The word 'assumptions' is correct and usable in written English.
You can use it when you want to refer to something that is believed to be true, even though it has not yet been proven. For example, "I made some assumptions about how the project would turn out, but my predictions didn't match the actual results."
✓ Grammatically correct
News & Media
Formal & Business
Academia
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
The financial crisis and the great recession, indeed depression, undermined many of the assumptions of bourgeois triumphalism.
News & Media
The support I have gained takes many forms: regular meetings, great communication, senior staff being present, a lack of assumptions about what I will do, and workload expectations that are in line with my career position.
News & Media
This has fallen slightly since then, but their report suggests that with NHS England projections of flat cash for the NHS, and reasonable assumptions around forecast GDP growth, we could see our spend on healthcare falling back to around 6% of GDP by 2021, equivalent of 2003's spending levels.
News & Media
It purports to be objective and rational yet it builds in so many assumptions that it leads inevitably to the conclusion that animal experiments are necessary.
News & Media
"This release contains certain 'forward-looking statements', which are based on management's views and assumptions regarding future events.
News & Media
The questions economists seek to answer, the tools they use to help find the answers (that's principally maths, rather than the applied topics that research suggests women are drawn to), the standard assumptions they make along the way (that people are emotionless, free and selfish), and the things they choose to measure all reflect a traditional and stereotypical male way of looking at the world.
News & Media
Harun Khan, deputy secretary general of the council, said: "Is Mr Pickles seriously suggesting, as do members of the far right, that Muslims and Islam are inherently apart from British society?" He said he was writing back to Pickles to demand an explanation for the assumptions that appeared to be in the letter.
News & Media
"In an earlier era, our assumptions and vocabulary might have expressed judgment instead of compassion, and closed doors instead of opening them," he said.
News & Media
"Some of them are made on assumptions and what Labour politicians have been overheard saying on a night out with Prince Andrew.
News & Media
Are the assumptions cheffy types proliferate about it being the route to superior taste also unfounded?
News & Media
Our contemporary audience operates with different skills and needs and assumptions.
News & Media
Expert writing Tips
Best practice
When presenting "assumptions", acknowledge their potential limitations. Being transparent about the uncertainties strengthens your argument.
Common error
Don't treat "assumptions" as established truths. Always validate "assumptions" with evidence or acknowledge them as unproven beliefs.
Source & Trust
88%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The word "assumptions" primarily functions as a noun, specifically the plural form of "assumption". It is used to refer to things that are accepted as true or certain to happen, without proof. As Ludwig AI highlights, it's a common term across various domains.
Frequent in
News & Media
43%
Formal & Business
29%
Academia
14%
Less common in
Science
8%
Encyclopedias
3%
Wiki
1%
Ludwig's WRAP-UP
In summary, "assumptions" is a grammatically sound and frequently used noun that refers to beliefs or suppositions taken as true without proof. As Ludwig AI confirms, it's versatile and correct for use in various forms of writing and speech. This analysis, based on a wide range of examples from reputable sources like The Guardian and The Economist, shows that while "assumptions" are common in News & Media and Formal & Business contexts, they also appear in academic and scientific writing. Remember to be mindful of the potential limitations of "assumptions" and avoid treating them as facts without validation.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
Underlying premises
Replaces "assumptions" with a more formal term emphasizing the foundational nature of the beliefs.
Presuppositions
Emphasizes the idea of something being supposed beforehand.
Guiding principles
Focuses on the beliefs that direct actions or decisions.
Working hypotheses
Highlights the tentative nature of the beliefs, especially in a research context.
Fundamental beliefs
Stresses the core nature of the beliefs in question.
Basic tenets
Similar to fundamental beliefs, but often used in a more formal or philosophical context.
Initial estimates
Replaces assumptions with a quantitative approach to preliminary calculations.
Accepted wisdom
Emphasizes the idea of beliefs that are widely accepted, though perhaps not critically examined.
Unquestioned beliefs
Highlights the lack of scrutiny applied to the beliefs.
Supposed truths
Highlights the idea of something being considered as truth, even though that may not be the case.
FAQs
How to use "assumptions" in a sentence?
You can use "assumptions" to refer to beliefs that are taken for granted. For example, "The model is based on several key "underlying assumptions" about consumer behavior".
What can I say instead of "assumptions"?
You can use alternatives like "presuppositions", "premises", or "suppositions" depending on the context.
Which is correct, "assumptions" or "presumptions"?
"Assumptions" refer to beliefs accepted without proof, while "presumptions" often imply taking something for granted, sometimes without sufficient justification. The best choice depends on the specific nuance you wish to convey.
What's the difference between "assumptions" and "hypotheses"?
"Assumptions" are beliefs taken as true, often implicitly, while "hypotheses" are proposed explanations that are tested through experimentation.
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
88%
Authority and reliability
4.6/5
Expert rating
Real-world application tested