The expression (and its polite form ) is a formal grammar pattern used primarily in written language, announcements, and official contexts. It has several distinct usages depending on context.
Means or method – "by means of," "with"
can indicate the means, method, or instrument by which something is done. This usage is similar to
but carries a much more formal tone.
。
We will respond with sincerity.
。
We will contact you in writing.
In this usage, it often appears with abstract nouns such as (sincerity), (effort), (ability), or (written document).
Deadline or endpoint – "as of," "on"
is used in formal announcements to indicate a specific point in time at which something ends, concludes, or takes effect. This is one of its most common usages.
。
We will close (permanently) as of today.
、。
As of March 31st, we will be terminating the service.
This usage is extremely common in business notices, store closings, retirement announcements, and official statements.
Reason or basis – "on the grounds of," "because of"
In some formal or literary contexts, can express a reason or justification, though this usage is less common in modern everyday language.
。
We will reject the application on the grounds of insufficient experience.
をもって vs. をもちまして
is simply the polite (
-form) version of
. It is used in the same way but sounds even more formal and courteous, making it the preferred choice in customer-facing announcements and ceremonies.
、。
With this, we conclude today's meeting.
Notes
- This pattern is highly formal and is rarely used in casual conversation.
- It is commonly encountered in business correspondence, official notices, ceremonies, and news reports.
- Do not confuse this with the verb (to hold/carry) in its て-form , which is a completely different construction.
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