ritual

(noun) any customary observance or practice. Synonyms: rite.

(noun) the prescribed procedure for conducting religious ceremonies.

(noun) stereotyped behavior.

(adj) of or relating to or characteristic of religious rituals. Example: "Ritual killing."

(adj) of or relating to or employed in social rites or rituals. Examples: "A ritual dance of haiti." "Sedate little colonial tribe with its ritual tea parties"- nadine gordimer."