Ceremonious (adjective)

Characterized by or showing great attention to formality, ritual, and etiquette; very polite, dignified, and formal.

Origin:

The word ceremonious is derived from the latin word ceremoniosus, which means full of ceremony or marked by formal rites, referring to the act of performing a ceremony or formal rite.

Examples:

1. The ceremony was very ceremonious, with many speeches and formal rituals.
2. He was very ceremonious in his manners, always bowing and scraping.
3. The company was known for its ceremonious approach to customer service.
4. The formal dinner was very ceremonious, with everyone dressed in black tie.
5. The graduation ceremony was ceremonious with the president of the university giving the convocation address.