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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
timeline by which
Grammar usage guide and real-world examplesUSAGE SUMMARY
'timeline by which' is correct and can be used in written English.
It is typically used to refer to a specific timeline that sets forth certain expectations or requirements. For example, "The project must be completed by July 15th, according to the timeline by which all employees must adhere."
✓ Grammatically correct
News & Media
Academia
Science
Alternative expressions(20)
schedule according to which
timeframe under which
framework within which
deadline by which
process whereby
order in which
mechanism through which
system under which
method by which
milestone by which
term by which
timetable by which
delay by which
timescale by which
following the plan
as scheduled
in accordance with the plan
the timeline by which
the deadline by which
the speed at which
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
11 human-written examples
Yet too many firms underinvest in planning for disaster because they don't think it will pay, at least within the short-term timeline by which many now operate, reckons Yossi Sheffi of MIT.
News & Media
The Washington Post reported on Wednesday that Trump had instructed military leaders to prepare to withdraw US troops from Syria but did not agree to a timeline by which to do so.
News & Media
Vaaithaa, is a site where a client could get second opinion about his current case and give an overview of the timeline by which the case would get over.
Academia
Regardless of the timeline by which portfolio management unfolds, it requires answering four key questions: –What elements of the portfolio should we maintain?
News & Media
The company hasn't offered a timeline by which podcast providers will be required to meet these more stringent rules, beyond the fact that the changes are coming soon.
News & Media
In the future, startups like Gametime will have to collaborate more closely with event professionals to help them make better sense of the widening timeline by which fans will cash in on live music.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
49 human-written examples
The agreement does not include rigid timelines by which the goals must be met, nor does it make the goals binding under international law.
News & Media
Some are evidently convinced otherwise, though, if the outrage flooding my own timeline is anything to go by, which surely once again demonstrates that the Twitter experience is not unlike that of the below the line comment spaces on newspaper websites.
News & Media
It would set timelines, and provide the figures by which rich countries would reduce emissions, as well as the money that would be made available to developing countries to adapt to climate change", said a British government official.
News & Media
There are also different ways to filter videos in the app's guide – by your favorites (the "like view"), by your saved videos ("watch later" view) and by the "timeline view" which shows you all the videos your friends are sharing.
News & Media
It is easier for them if you would just conform to their healing timeline, which by the way, is the timeline that they are using to dictate to you.
News & Media
Expert writing Tips
Best practice
When using "timeline by which", ensure that the subsequent clause clearly defines the specific actions, goals, or constraints associated with that timeline. This helps to clarify the purpose and importance of the timeline itself.
Common error
Avoid using "timeline by which" when you simply mean a deadline. The phrase implies a sequence of events or milestones, not just a single point in time. For example, instead of "The report must be submitted according to the timeline by which," you should use "The report must be submitted by the deadline of."
Source & Trust
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "timeline by which" functions as a prepositional phrase that introduces a clause specifying how actions or events are governed by a specific schedule or sequence. Ludwig examples illustrate its use in academic, news, and business contexts.
Frequent in
News & Media
40%
Academia
30%
Science
30%
Less common in
Formal & Business
0%
Encyclopedias
0%
Wiki
0%
Ludwig's WRAP-UP
In summary, "timeline by which" is a grammatically correct phrase used to introduce a temporal framework within which specific actions or events occur. Ludwig AI confirms this usage. While it is not as common as simpler phrases, it is appropriate for formal and neutral contexts, particularly in news, academic, and scientific writing. Remember to use it to define a sequence of events, not just a single deadline, and to clearly specify what the timeline governs for maximum clarity.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
schedule according to which
Replaces "timeline" with "schedule", emphasizing a planned sequence of events. It's a more direct synonym but slightly less flexible.
timeframe under which
Substitutes "timeline" with "timeframe", focusing on the period during which something occurs, rather than the sequence itself.
framework within which
Replaces "timeline" with "framework", highlighting a more structured and possibly flexible plan.
program according to which
Substitutes "timeline" with "program", implying a more structured series of events designed to achieve a specific outcome.
process whereby
Shifts the focus from time to the steps involved in reaching a desired result.
sequence in which
Replaces "timeline" with "sequence", which puts more focus on the chronological order of events, rather than the temporal constraints.
order in which
Emphasizes the arrangement or sequence of steps, rather than the specific dates or deadlines.
mechanism through which
Changes the focus from a temporal plan to the means by which something is accomplished.
system under which
Replaces "timeline" with "system", suggesting a broader organizational context that includes time as an element.
method by which
Substitutes "timeline" with "method", directing the emphasis from a scheduled plan to the steps taken in executing it.
FAQs
How can I use "timeline by which" in a sentence?
Use "timeline by which" to introduce a clause that specifies the conditions or steps within a particular timeframe. For example, "The project must be completed according to the "timeline by which" all employees must adhere".
What are some alternatives to "timeline by which"?
You can use alternatives such as "schedule according to which", "timeframe under which", or "framework within which" depending on the specific context.
Is "timeline by which" formal or informal?
"Timeline by which" is generally considered a neutral to formal expression suitable for professional, academic, or news-related contexts. It is not typically used in casual conversation.
What's the difference between "timeline by which" and "deadline by which"?
"Timeline by which" refers to a sequence of events or milestones within a timeframe, while "deadline by which" indicates a specific point in time when something must be completed. Use "timeline by which" when referring to a series of events rather than a single completion date.
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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
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested