It was both stylish and somber while being suitably grand for the formality of the occasion.
Early marriage is mostly a formality, but girls traditionally leave school at that time.
Cindy McCain exhibited a similar richness, attention to detail, and formality.
1530s, "agreement as to form," from Middle French formalité (15c.) or directly from Latin formalis "formal" (see formal). Originally "literary form;" meaning "something done for the sake of form" is from 1590s. Related: Formalities.