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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
react to something
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "react to something" is correct and usable in written English. You can use it when describing a response or action taken in response to an event, situation, or stimulus. Example: "She had to react to the unexpected news quickly." Alternative expressions include "respond to" and "reply to."
✓ Grammatically correct
News & Media
Wiki
Science
Academia
Alternative expressions(20)
respond to something
act upon something
address something
deal with something
counter something
acknowledge something
respond to
cope with
take into account
Respond to
responsiveness to
reply to
adapting to
replying to
attend to
complies to
Please let me know your availability by replying to this email
address
fulfils to
take responsibility for
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
53 human-written examples
Is it really possible to predict all the ways that people may react to something?
Academia
"In the past it would be difficult to react to something like this".
News & Media
"I won't react to something just because I'm supposed to, because I'm an African-American.
News & Media
Neutrality and objectivity carry no instructions for how to react to something like that.
News & Media
"It's hard to react to something that we've not seen on paper".
News & Media
And how would they react to something like the night before?
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
7 human-written examples
Or are people just reacting to something?
News & Media
Every image of a human, ever, is of a human reacting to something.
News & Media
"I was reacting to something that rose above the poverty," he said.
News & Media
Nearly all of my clients have difficulty expressing themselves and are reacting to something going wrong.
News & Media
"That could be a celebrity revelation, an exclusive story or reacting to something happening that day".
News & Media
Expert writing Tips
Best practice
Ensure that you always follow the verb with the preposition "to" when indicating the source of the reaction.
Common error
Avoid using "react on something". While you might have a reaction "to" an event, saying you "react on" it is non-standard in English. Stick to "to" to indicate the stimulus.
Source & Trust
89%
Authority and reliability
4.9/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "react to something" functions as a phrasal verb construction consisting of the intransitive verb "react", the preposition "to" and an indefinite pronoun serving as the object. Ludwig AI identifies it as a highly reliable structure for indicating a response to a stimulus. In many examples from Ludwig, it serves as the predicate of the sentence, often modified by adverbs like "quickly" or "emotionally".
Frequent in
News & Media
65%
Wiki
15%
Science
10%
Less common in
Academia
6%
Formal & Business
3%
Social Media
1%
Ludwig's WRAP-UP
The phrase "react to something" is a cornerstone of English communication, used to describe any response to an external stimulus. According to Ludwig AI, it is grammatically perfect and exceptionally common in professional journalism, scientific documentation and daily advice. The most critical point for writers is to maintain the use of the preposition "to", as alternatives like "on" or "at" are non-standard. Whether you are describing a market shift, a biological response or a personal emotion, this phrase is a reliable and clear choice. For a more formal or deliberate tone, consider using "respond to something" instead.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
respond to something
often implies a more deliberate or organized reaction compared to a spontaneous one
answer to something
specifically suggests a reply to a question, claim or specific challenge
act upon something
implies taking a concrete step or following a plan based on the stimulus
reply to something
more commonly used for verbal or written communications
handle something
focuses on the management or navigation of a situation rather than just the initial response
address something
suggests giving attention to a topic or issue in a formal manner
deal with something
suggests coping with or addressing a problem or circumstance
counter something
implies an adversarial or defensive reaction designed to neutralize the stimulus
acknowledge something
represents a minimal reaction of simply recognizing that something has happened
rebound from something
specifically describes a recovery reaction after a negative event
FAQs
How to use "react to something" in a sentence?
You can use it in various contexts such as "Investors had to "react to something" unexpected in the market" or "It is natural to "react to something" frightening".
What is the difference between "react to something" and "respond to something"?
While both are similar, to "react to something" often implies a faster, more instinctive response, whereas to "respond to something" often suggests a more thoughtful or measured action.
Is it correct to say "react at something"?
No, it is generally incorrect. The standard idiom is always to "react to something". Using "at" might be confused with "shout at" or "look at" but does not fit the verb "react".
Can "react to something" be used in formal writing?
Yes, as shown in examples from Ludwig, it is perfectly acceptable in formal, academic and scientific contexts when describing causal relationships or behavioral observations.
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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
89%
Authority and reliability
4.9/5
Expert rating
Real-world application tested