Ceremonious
CEREMONIOUS, adjective
1. Consisting of outward forms and rites; as the ceremonious part of worship. [In this sense, ceremonial is now used.]
2. Full of ceremony or solemn forms.
3. According to the rules and forms prescribed or customary; civil; formally respectful. ceremonious phrases.
4. Formal; according to the rules of civility; as, to take a ceremonious leave.
5. Formal; exact; precise; too observant of forms.