A customary ritual without new or unique meaning.
Something said or done as a matter of form.
A specific requirement for obtaining a legal status, conducting a transaction, etc.
The state of being formal.
Custom, tradition.
The established custom of using language; the ways and contexts in which spoken and written words are used, especially by a certain group of people or in a certain region.
A custom or established practice.
The act of using something; use, employment.