royal

Definition:

The term "royal" describes people and things associated with a king or queen.

Examples of things that could be called "royal" include a king's clothing, palace, throne, and crown.
A king or queen usually lived in a royal palace.
A king wore special clothing, sometimes called "royal robes." Often a king's robes were purple, this color could only be produced by a rare and expensive type of dye.
In the New Testament, believers in Jesus were called a "royal priesthood." Other ways to translate this could include "priests who serve God the King" or "called to be priests for God the King."
The term "royal" could also be translated as "kingly" or "belonging to a king."