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
when it is suitable
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "when it is suitable" is correct and usable in written English.
You can use it to indicate a time or condition that is appropriate for a particular action or event. Example: "Please let me know when it is suitable for us to discuss the project further."
✓ Grammatically correct
News & Media
Science
Wiki
Alternative expressions(20)
when the time is right
when conditions are favorable
when it is opportune
when circumstances allow
when the opportunity arises
at the right moment
when feasible
as the need arises
should the occasion arise
as and when required
as soon as you can
as necessary
when you're ready
when it is needed
when it is required
when it is applicable
in times of need
when the necessity arises
on an as-needed basis
where it is needed
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
4 human-written examples
But converting a vehicle for dual fuel adds a substantial cost even when it is suitable.
News & Media
"It's going to be slightly complicated because the jockeys will need to work out between them who's coming, how many of them are coming and when it is suitable for them to attend.
News & Media
There are also hybrid systems that use seawater when it is available and change over to fresh water in a closed system when it is suitable.
Also, don't be afraid to take direct actions to "change the world" sometimes when it is suitable to do so.
Wiki
Human-verified similar examples from authoritative sources
Similar Expressions
55 human-written examples
We'll have a word when it's suitable, when he's calmed down a little bit.
News & Media
When it's suitable and he's available, I'm delighted to have him".
News & Media
The assumption of lamina homogeneity is questionable when predicting failure, though it is suitable for stress analysis.
Science
Directed content analysis was chosen as it is suitable when trying to support existing theoretical frameworks, or when applied to a novel context [ 17].
Science
It is suitable when the number of objects to track is not known a priori and/or when the clutter density is high.
It is suitable when a number of distributed generators are placed far from each other with no communication connection among them [8].
It is suitable when the leading pole is of 6-8cm in the vaginal (the length of this leading pole is 9cm ),press the shower nozzle with the forefinger until the foam is squirted and full of vagina (stop pressing it when the vagina mouth is exceeded), then take out the leading pole slowly.
News & Media
Expert writing Tips
Best practice
Use "when it is suitable" to clearly indicate that an action or decision is contingent on a particular time or circumstance being favorable. This avoids ambiguity and ensures that others understand the conditions required.
Common error
Avoid using "when it is suitable" in overly passive constructions that obscure who is making the determination of suitability. Instead of "The report will be submitted when it is suitable", consider "The manager will submit the report when the data is complete."
Source & Trust
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "when it is suitable" functions as an adverbial clause of time, modifying a verb or clause by specifying the timing or condition under which the action occurs. Ludwig's examples show it indicating circumstances that need to be met.
Frequent in
Science
50%
News & Media
30%
Wiki
20%
Less common in
Formal & Business
0%
Encyclopedias
0%
Social Media
0%
Ludwig's WRAP-UP
In summary, "when it is suitable" is a grammatically sound phrase used as an adverbial clause of time to indicate contingency. Ludwig AI confirms its correctness. It is most frequently found in science and news contexts and while versatile, is best used with consideration of who determines suitability. Related phrases include "when it is appropriate" and "when it is convenient". While neutral in tone, ensure the construction is not overly passive to maintain clarity. This phrase helps ensure clear communication by explicitly stating the conditions under which an action will occur.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
when it is appropriate
Replaces "suitable" with a synonym, emphasizing the correctness or fittingness of the timing.
when it is convenient
Focuses on the ease and accessibility of the timing.
when it is fitting
Emphasizes the appropriateness of the timing or situation.
when the time is right
Uses a more idiomatic expression to convey the idea of opportune timing.
when conditions are favorable
Shifts the focus to the external circumstances being conducive.
when it is opportune
Highlights the advantageous nature of the timing.
when circumstances allow
Indicates that the action depends on the prevailing conditions.
when the opportunity arises
Emphasizes that the action will occur if and when a chance presents itself.
at the right moment
Implies a specific, ideal point in time.
when feasible
Indicates the action depends on being practical and possible.
FAQs
What does "when it is suitable" mean?
The phrase "when it is suitable" means at a time or under conditions that are appropriate, convenient, or advantageous for a particular action or event.
What can I say instead of "when it is suitable"?
You can use alternatives like "when it is appropriate", "when it is convenient", or "when the time is right" depending on the context.
How to use "when it is suitable" in a sentence?
Here's an example: "We will schedule the meeting "when it is suitable" for all team members."
Is "when it is suitable" formal or informal?
The phrase ""when it is suitable"" is generally considered neutral and can be used in both formal and informal contexts, though more formal synonyms might be preferred in highly formal writing.
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
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested