ritualistic
adj.adj. done in a way that follows a strict set of steps or rules, often for a religious or social reason. It describes something that is done the same way every time, even if it is not necessary.
adj. relating to or performed in a manner that follows a fixed, traditional sequence of actions. Often implies a repetitive or ceremonial quality that may lack a practical purpose.
The morning coffee routine is very ritualistic for him.
The team's pre-game warm-up is highly ritualistic, involving specific stretches and chants that have been passed down for years.
While the ceremony was intended to be a simple celebration, the guests found the proceedings increasingly ritualistic, as every minor movement was dictated by an ancient set of rules.