The phrase is a very formal way to ask for approval before you do something.

Polite Permission

It's an archaic phrase, so use it to sound quaint or in historical settings.

Old-fashioned

You may find it used in literature to convey historical or formal settings.

It can be used sarcastically when someone acts without permission.

Sometimes implies consent was assumed but not actually given.

Understanding the context is crucial, as misuse can suggest rudeness or entitlement.