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
on an elective basis
Grammar usage guide and real-world examplesUSAGE SUMMARY
'on an elective basis' is correct and usable in written English.
It is used to describe something that is optional rather than required. For example: "The course is offered on an elective basis, so students may opt to take it or not."
✓ Grammatically correct
Science
News & Media
Academia
Alternative expressions(20)
on a voluntary basis
optionally
by choice
voluntarily
without obligation
at one's discretion
subject to election
on an informal basis
without interruption
on an interim basis
persistently
on an opt in basis
on an hourly basis
periodically
on an irregular basis
constantly
all the time
on an irrational basis
on an aggregate basis
on an aftertax basis
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
17 human-written examples
Rowghani says there's no "line in the sand," but that beyond "programmatically" investing its pro rata in all Y Combinator companies that raise money at up to a $300 million valuation, the firm will now "on an elective basis, write bigger checks to certain companies" that have matured beyond their seed and Series A rounds.
News & Media
Less than two weeks after re-election, court transcripts also showed that DesJarlais' wife had two abortions -- one for medical reasons and another on an elective basis.
News & Media
The lesion can then be addressed on an elective basis in a well-prepared patient, using percutaneous or open surgical techniques to effect a durable long-term solution.
Science
Performing the transplant on an elective basis should improve chances of success, Dr. Barker said, because the donor hand would be removed and grafted quickly, reducing the amount of time the tissue lacked oxygen.
News & Media
At my center in California, which is for-profit and affiliated with UCSD for educational purposes only, we have 120 people, including a leadership team of 12 women and a faculty of physicians, oncologists, neurologists, and other specialists, as well as medical students and residents coming through on an elective basis.
News & Media
About 82% of all hospitalizations occurred on an elective basis.
Academia
Human-verified similar examples from authoritative sources
Similar Expressions
43 human-written examples
This is generally considered correct clinical management, since the rate of morbidity and mortality with aortic dissection is higher when surgery is performed on an emergent rather than an elective basis.
Science
The child was referred on a purely elective basis.
These asplenic persons were assumed to have had a splenectomy on a non-elective basis.
Science
The biggest decrease in the proportion of patients with AEs was observed for patients who were admitted on a non-elective basis (P = 0.006) (Table 4).
Existing evidence indicates better overall outcome when repair of AAA is performed on elective basis compared to the emergency repair [ 2– 4].
Expert writing Tips
Best practice
Use "on an elective basis" when you want to clearly communicate that something is optional and not mandatory. For example, in describing course selection or medical procedures.
Common error
Avoid using "on an elective basis" when you mean something happens frequently or routinely. "On a regular basis" describes frequency, while "on an elective basis" describes choice.
Source & Trust
81%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "on an elective basis" functions as an adverbial phrase, modifying a verb or clause to specify the manner in which an action is performed or a decision is made. It indicates that something is done by choice or option, as supported by Ludwig AI's analysis.
Frequent in
Science
40%
News & Media
30%
Academia
30%
Less common in
Wiki
0%
Formal & Business
0%
Social Media
0%
Ludwig's WRAP-UP
In summary, "on an elective basis" is a common phrase used to describe something that is optional or performed by choice. As Ludwig AI confirms, it is grammatically correct and appears frequently in various contexts, including science, news, and academia. When writing, it's important to differentiate its meaning from phrases describing frequency, such as "on a regular basis". The phrase's neutral to formal register makes it suitable for diverse professional settings, indicating that participation or selection is a matter of personal choice rather than a strict requirement. To improve clarity in communication, use "on an elective basis" when highlighting the voluntary nature of an action.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
on a voluntary basis
Direct synonym, emphasizing the lack of compulsion.
on a non-mandatory basis
Formal way of saying that something is not required.
optionally
Highlights that something is not required but available if desired.
voluntarily
Focuses on the action being done willingly, not necessarily as part of a structured choice.
by choice
Emphasizes the decision-making aspect of the action.
without obligation
Emphasizes the lack of any requirement or duty.
at one's discretion
Indicates that the decision is left to the individual's judgment.
as a matter of preference
Highlights the subjective nature of the decision.
by personal selection
Highlights that choice depends on one's personal view.
subject to election
Highlights that the choice requires a formal selection process.
FAQs
How can I use "on an elective basis" in a sentence?
You can use "on an elective basis" to indicate that something is optional or chosen. For example, "The course is offered "on an elective basis", allowing students to choose whether to take it".
What phrases are similar to "on an elective basis"?
Similar phrases include "on a voluntary basis", "optionally", or "by choice", all indicating that something is not mandatory.
Is it correct to say 'on an elective base' instead of "on an elective basis"?
No, the correct phrase is "on an elective basis". "Base" refers to a foundation or starting point, while "basis" refers to a manner or way of doing something. Therefore, "on an elective basis" is the appropriate choice.
What is the difference between "on an elective basis" and "on a mandatory basis"?
"On an elective basis" means something is optional and chosen, whereas "on a mandatory basis" means something is required and not optional.
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
81%
Authority and reliability
4.5/5
Expert rating
Real-world application tested