Behaviour according to prescribed or customary rules; observance of etiquette, ceremony, or decorum. in (full, great) form: with due ceremony. Often…

Delicacy, nicety.

Ceremonious quality; addiction to ceremonies; strict observance of formalities.

As a mass noun: strict observance of or insistence upon minutiae of action or conduct; petty formality; punctiliousness.

The attribute of being formal; precision, rigid decorum of manners; excessive regularity or stiffness (of style, outline, etc.).

(without a or plural) Formal observances or usages collectively, or as an order of things. Precise observance of conventional forms of deference or…

Scrupulousness in regard to matters of conduct or etiquette; formality, ceremoniousness. Obsolete.

= punctilio, n. 2a.

The quality of being complemental, or (formerly) complimental.

The quality of being formal.

The quality or character of being punctilious; scrupulous attentiveness to fine points of procedure, etiquette, or conduct.

Delicacy of feeling, sensibility; scrupulosity, punctiliousness; an instance of this, a scruple. Formerly also: †excessive delicacy (obsolete).

A usage of formal courtesy or politeness; the observance of conventional forms in social intercourse; = ceremony, n. 2 3.

= punctiliousness, n.