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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
is warranted by
Grammar usage guide and real-world examplesUSAGE SUMMARY
"is warranted by" is a correct and commonly used phrase in written English.
It means that something is justified or supported by something else. Example: The company's decision to increase prices is warranted by the rising cost of raw materials.
✓ Grammatically correct
Science
News & Media
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
"Usually, people are more fearful than is warranted by reality".
News & Media
Interpretive caution is warranted by the retrospective and cross-sectional design used to generate these results.
A more relevant role of fuel control in fire management policies and practices is warranted by our findings.
Let me be clear: I'm not averse to making a strong prediction, when this is warranted by the data.
News & Media
Government officials say that the aggressive response is warranted by the extraordinary situation, and that they are simply enforcing longstanding laws.
News & Media
It addresses the complexity assessment of identified functions to determine if further simplification is warranted by decomposing and understanding lower-level functional behaviors.
Thomas E. Lindgren, who is advising Bonhams on the sale, said that a high price is warranted by the quality of the find.
News & Media
But what federal officials can do is ensure that market manipulation and speculation do not drive gas prices higher than is warranted by economic fundamentals.
News & Media
Peruvian officials say much of the appreciation is warranted by growth, eschew talk of a "currency war" and point out that other South American currencies have also strengthened.
News & Media
Our goal is not to err on the side of caution any more (or any less) than we think is warranted by the data.
News & Media
The nonbreakup provisions of the judgment reflect three primary objectives, none of which is warranted by the violations found by the court and none of which serves a legitimate purpose under the antitrust laws.
News & Media
Expert writing Tips
Best practice
Use "is warranted by" to clearly indicate a direct relationship between an action or decision and its justification. This phrase emphasizes that the action is not arbitrary but based on specific reasons or evidence.
Common error
Avoid excessive use of passive voice constructions like "is warranted by". While grammatically correct, overuse can make writing sound convoluted. Consider active voice alternatives when clarity and directness are preferred.
Source & Trust
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "is warranted by" functions as a connector, indicating a cause-and-effect relationship where the action or state is justified, authorized, or necessitated by the preceding element. Ludwig AI confirms its role in establishing a logical connection.
Frequent in
Science
38%
News & Media
34%
Academia
12%
Less common in
Encyclopedias
4%
Formal & Business
3%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "is warranted by" is a grammatically correct and frequently used expression that serves to justify a specific action, decision, or statement. As confirmed by Ludwig AI, its high frequency across diverse contexts—including science, news, and academia—underscores its versatility. While useful for establishing logical connections, writers should be mindful of overusing passive voice constructions and strive for balance with more direct, active voice alternatives. When a writer uses "is warranted by", they are saying that available information makes a particular action or approach appropriate and reasonable. This usage is highly appropriate for formal and academic writing, though less so for conversational or informal contexts.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
is justified by
Replaces "warranted" with "justified", emphasizing the rightness or legitimacy of something due to a specific reason.
is necessitated by
Uses "necessitated" instead of "warranted", highlighting that something is made essential or unavoidable by a particular circumstance.
is supported by
Replaces "warranted" with "supported", focusing on the idea that something is backed up or validated by evidence or facts.
is authorized by
Emphasizes that something receives official approval or permission from a governing body or regulation.
is validated by
Focuses on the confirmation of something's accuracy or correctness, suggesting verification through testing or proof.
is contingent upon
Shifts the focus to dependency, indicating something is dependent on a specific condition or event.
is predicated on
Highlights that something is based or founded on a particular assumption, condition, or basis.
stems from
Indicates origination or causation, suggesting something arises or originates from a particular source or reason.
arises from
Similar to "stems from", this emphasizes the emergence or occurrence of something as a result of certain conditions.
is a consequence of
Highlights a direct cause-and-effect relationship, where something is a direct outcome or result of something else.
FAQs
How can I use "is warranted by" in a sentence?
Use "is warranted by" to show that an action, decision, or belief is justified by particular circumstances or evidence. For example: "The increased security measures are warranted by the recent threats".
What are some alternatives to "is warranted by"?
Alternatives include "is justified by", "is necessitated by", or "is supported by". The best choice depends on the specific context.
Is it better to use active or passive voice with "is warranted by"?
While "is warranted by" is in passive voice, consider rephrasing to active voice for a more direct and concise statement. For instance, instead of "The investigation is warranted by the evidence", try "The evidence warrants the investigation".
What's the difference between "is warranted by" and "requires"?
"Is warranted by" indicates justification, while "requires" indicates necessity. Something that "is warranted by" a situation is justified by it, whereas something that a situation "requires" is essential for it. For example: "Further research is warranted by the initial findings" suggests that further research is a sensible next step; "Further research is required by the funding body" suggests that this research is a mandatory condition of the grant.
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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested