ceremonial
n. B2 Upper Intermediate US //ˌsɛɹəˈmoʊniəɫ// UK //sˌɛɹɪmˈəʊnɪəl// cer·e·mo·ni·al
n. related to a formal public event or ritual. You use this word to describe things that follow strict rules and traditions, like a wedding or a state visit.
n. relating to or performed in accordance with a formal public ceremony or ritual. Often implies a degree of formality that exceeds practical necessity.
The king wore his ceremonial robes.
The diplomatic meeting began with a short ceremonial exchange of gifts.
The elaborate ceremonial procedures surrounding the coronation were designed to reinforce the monarchy's historical legitimacy.
From Middle English cerymonial, from Latin caerimōniālis. Morphologically ceremony + -al or -ial.