An established pattern of behavior through which a group of believers experiences the sacred.
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An established pattern of behavior through which a group of believers experiences the sacred is a Ritual. Rituals are one of the three basic elements of all religions: Rituals, Belief Systems, and Organizational Structure. Ritualistic behavior is a part of every religion, often used to mark a change in status. It is used to unite believers and reinforce faith. Example of Ritual: Baptism (Christian faith). This question is related to the Sociology of Religion.

The sacred is anything considered to be part of the supernatural world and inspires awe, respect, and reverence.

Ritual. A ritual is an stablished pattern of conduct or behavior through which a group of believers experience the sacred.