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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
commence at once
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "commence at once" is correct and usable in written English.
It can be used to indicate that an action should start immediately without delay. Example: "The project is urgent, so we must commence at once to meet the deadline."
✓ Grammatically correct
News & Media
Wiki
Encyclopedias
Science
Alternative expressions(19)
begin immediately
start right away
start now
start immediately
move forward rapidly
implement as soon as possible
take action promptly
start without delay
proceed as soon as possible
act expeditiously
engage as soon as possible
respond as soon as possible
put into action at once
implement immediately
put into action
occur instantaneously
take place at once
happen right away
transpire without delay
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
The media cheerleading commenced at once: "Karen, you're making a decision you will never regret.
News & Media
To this end, intensive and determined negotiations must be commenced at once.
News & Media
I commenced at once to re-adjust this and had just stopped the bleeding when he came round and gazed in bewilderment at my British uniform.
News & Media
Gunsmiths were employed or conscripted, tools purchased or impressed, and the repair of the damaged guns I brought with me and about an equal number found at Little Rock commenced at once.
Wiki
In 1848 he arrived in San Francisco and at once commenced purchasing real estate, acquiring holdings not only in Santa Clara Valley but also at Lake Tahoe, on Santa Catalina Island, and in Nevada.
Encyclopedias
If he is ordered to close his eyes while in the erect posture, he at once commences to totter and swing from side to side; the insecurity of his gait also exhibits itself more in the dark".
News & Media
A few seconds after his first effort (it was the male) he was joined by his mate, and she at once commenced to respond with a peculiar, low, buzzing or grunting note, like 'gaw-gaw-gaw,' undoubtedly a note of approval or endearment.
News & Media
We're surrounded by a sea of darkness!," thus signalling the end of that strange, ritualistic intermission; and then, with much relief, we turned or took our gazes away from the dark window and, talking animatedly all at once, commenced to drink the night away.
News & Media
The participant's blood pressure was taken by the research assistant five times at recruitment, commencing with once on either arm in the sitting position.
Science
In 1877 Newcomb was put in charge of the American Nautical Almanac Office, then in Washington, where almost at once he commenced the great work that he had had in his mind for some years and that was to occupy the greater part of the rest of his life: the calculation of the motions of the bodies in the solar system.
Encyclopedias
For the purpose of the test-retest analysis, the non-clinical group completed the BFNE twice; once at the study commence and once 3 weeks later.
Science
Expert writing Tips
Best practice
Use "commence at once" to convey a sense of urgency and formality. This phrase is particularly effective in professional or official communications where immediate action is required.
Common error
Avoid using "commence at once" in casual conversation or informal writing. The phrase's formality can sound stilted or overly assertive in everyday settings; instead, opt for alternatives like "start now" or "begin immediately".
Source & Trust
83%
Authority and reliability
4.4/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "commence at once" functions as an imperative, urging immediate initiation of an action or process. As Ludwig AI confirms, the phrase is grammatically correct. This structure emphasizes the immediacy and necessity of starting without delay.
Frequent in
News & Media
50%
Wiki
25%
Encyclopedias
12.5%
Less common in
Science
12.5%
Formal & Business
0%
Academia
0%
Ludwig's WRAP-UP
In summary, the phrase "commence at once" is a grammatically sound and usable expression that conveys the need for immediate action. As Ludwig AI confirms, it's typically suited for formal contexts, such as professional correspondence or official announcements, where a sense of urgency and authority is required. While its use is relatively rare, as evidenced by the limited number of examples, it remains a valid option when immediate action needs to be stressed. For less formal settings, alternatives such as "begin immediately" or "start now" may be more appropriate.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
Begin immediately
This alternative uses simpler vocabulary to convey the same meaning of starting without delay.
Start forthwith
This option employs a more formal, somewhat archaic term for "immediately", adding a sense of urgency.
Initiate instantly
This phrase emphasizes the instantaneous nature of the action's commencement.
Proceed without delay
This emphasizes the lack of any waiting period before starting.
Act right away
This alternative uses more common and informal language, making it suitable for less formal contexts.
Take action immediately
This suggests prompt and decisive action.
Set about it directly
This option implies a focused and immediate approach to a task or problem.
Get underway immediately
This suggests starting a process or activity without hesitation.
Embark on it instantly
This alternative suggests a quick and decisive beginning, often used for projects or ventures.
Launch at once
This implies a forceful and immediate start, similar to launching a rocket.
FAQs
What does "commence at once" mean?
"Commence at once" means to begin or start something immediately, without any delay. It's a formal way of saying to start something right away.
When is it appropriate to use "commence at once"?
It is appropriate to use "commence at once" in formal settings, such as business correspondence, legal documents, or official announcements where a sense of urgency and authority needs to be conveyed. In informal settings, simpler phrases like "begin immediately" or "start right away" are more suitable.
What are some alternatives to "commence at once"?
Alternatives to "commence at once" include "begin immediately", "start now", "start forthwith", or "initiate instantly". The choice depends on the level of formality required.
Is "commence at once" too formal for everyday conversations?
Yes, "commence at once" is generally too formal for everyday conversations. Simpler and more direct phrases like "start immediately" or "begin now" are preferable in informal contexts.
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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
83%
Authority and reliability
4.4/5
Expert rating
Real-world application tested