cer·e·mo·ni·al 
(sĕr′ə-mōnē-əl)
(sĕr′ə-mōnē-əl)adj.
1. Of, appropriate to, or characterized by ceremony; formal or ritual.
2. Involved or used in ceremonies: ceremonial garb.
n.
1. A set of ceremonies prescribed for an occasion; a ritual.
2. A ceremony or rite.
cer′e·moni·al·ism n.
cer′e·moni·al·ist n.
cer′e·moni·al·ly adv.