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
that's so thoughtful
Grammar usage guide and real-world examplesAlternative expressions(20)
that is very kind of you
careful consideration
how thoughtful of you
you're so kind
that was very considerate of you
that's so thoughtful of you
you are so considerate
that was very generous of you
how very thoughtful
I am grateful for your help
you shouldn't have
is so sweet of you
is very nice of you
I appreciate that very much
I am much obliged
that's very kind of you
that's very generous of you
thank you for your thoughtfulness
it was very good of you
I appreciate your kindness
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified similar examples from authoritative sources
Similar Expressions
60 human-written examples
When I asked Glazer to describe Murray, Glazer replied: "There is this huge, soulful, deep emotional part of him, that is so thoughtful and kind.
News & Media
"So true," she wrote, and then followed with three paragraphs that were so thoughtful and insightful I felt they were worth including here.
News & Media
That is so thoughtful of you to let me use your office, Commander Iverson.
News & Media
He's so thoughtful and thought-provoking and meaningful.
News & Media
It's so thoughtful that the listing provides the mileage to local Piloxing studios, raw juiceries, and CoolSculpting centers, but unless you can post the proximity to the pot of gold at the end of the rainbow you should delete my e-mail from your client database.
News & Media
It's so thoughtful of you!
News & Media
One hypothesis is that they were so thoughtful and peaceable that when we came along — homo sapiens, that is, with our smaller brains, inconveniently wired through the limbic system, making us warlike and aggressive — we simply wiped them out.
News & Media
They couldn't believe that someone was so thoughtful," Rhode said.
News & Media
I wouldn't dream of complaining about that when it was so thoughtful of Rupert Murdoch, who knows a bit more than me about criminal prosecution, to highlight the need for absolute propriety in public life.
News & Media
That could be because Mr. Serkin's interpretive style is so thoughtful and distinctive that disparate works seem to have similarities in his hands, which might not be apparent otherwise.
News & Media
His questions were so thoughtful that I met him at a cafe.
News & Media
Expert writing Tips
Best practice
Reserve this phrase for personal interactions or softer professional settings to maintain a genuine and warm tone.
Common error
Avoid using "that's so thoughtful" for purely transactional or functional assistance where "that's very helpful" would be more accurate. Thoughtfulness implies emotional intelligence and consideration rather than just physical or technical aid.
Source & Trust
92%
Authority and reliability
4.8/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "that's so thoughtful" functions as a predicative adjective phrase that follows a subject and a linking verb contraction. It serves as an emotional evaluation of a preceding gesture or statement. According to Ludwig examples, it is frequently used as a standalone reactive sentence in conversational English.
Frequent in
News & Media
75%
Wiki
15%
Formal & Business
10%
Less common in
Science
0%
Academic
0%
Encyclopedias
0%
Ludwig's WRAP-UP
In summary, "that's so thoughtful" is a highly effective and common way to acknowledge kindness. Ludwig AI analysis shows that it is prevalent across major media outlets, reflecting its status as a standard polite response in modern English. It uniquely captures the appreciation for someone's internal process of thinking about others, distinguishing it from simple thanks. Whether used in personal notes or professional follow-ups, it conveys a high degree of warmth and social intelligence.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
that is very kind of you
Increases formality by removing the contraction and using kind instead of thoughtful
it's so nice of you
A more common and slightly more casual alternative using a general positive adjective
how sweet of you
Adds a warmer, more informal emotional tone to the appreciation
that's so considerate
Uses a near-synonym that specifically highlights the act of thinking of others
how thoughtful of you
Uses an exclamatory structure to place more emphasis on the adjective
it's so generous of you
Focuses specifically on the abundance or spirit of the gift or gesture
you're so kind
Shifts the focus from the action to the character of the person
that's very gracious
A more sophisticated and formal way to acknowledge a polite or kind act
that's so attentive
Specifically praises the person for paying attention to small details
how very mindful
A modern alternative that emphasizes the person's awareness of the situation
FAQs
What is a good synonym for "that's so thoughtful"?
Depending on the context, you can use phrases like "<a href="/s/that+is+very+kind+of+you" target="_blank" rel="alternative">that is very kind of you", "<a href="/s/how+considerate" target="_blank" rel="alternative">how considerate", or "<a href="/s/it+is+so+sweet" target="_blank" rel="alternative">it is so sweet".
Can I say "that's so thoughtful" in a business email?
Yes, it is appropriate in a business email when a colleague or partner does something outside their job description to help you, though "<a href="/s/that+is+very+considerate+of+you" target="_blank" rel="alternative">that is very considerate of you" is slightly more professional.
Is it "that's so thoughtful" or "that's very thoughtful"?
Both are correct. Using "so" adds a slightly more informal and emotional emphasis, while "very" is more neutral and traditional.
What does "thoughtful" imply in this phrase?
In this context, it implies that the person showed "<a href="/s/careful+consideration" target="_blank" rel="alternative">careful consideration" for your feelings or needs before acting.
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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
92%
Authority and reliability
4.8/5
Expert rating
Real-world application tested