Ritual

Predefined sequence characterized by rigidity, formality, and repetition that are embedded in a larger system of symbolism and meaning, but contain elements that lack direct instrumental purpose. Not to be confused with habits.

Reference:

Hobson, N. M., Schroeder, J., Risen, J. L., Xygalatas, D., & Inzlicht, M. (2018). The psychology of rituals: An integrative review and process-based framework. Personality and Social Psychology Review, 22(3), 260-284. https://doi.org/10.1177/1088868317734944