Domanial is an adjective that refers to something related to a royal domain or estate. Synonyms for this word include regal, sovereign, kingly, princely, imperial, monarchical, royal, and noble. These words all convey a sense of grandeur and royalty. They are often associated with a ruling class or an aristocracy that has power and authority over a particular territory. These synonyms are useful for describing things that are in some way connected to royalty or wealth, such as castles, estates, or lands. They can also be used metaphorically to describe people who exude a sense of authority or control, or who display a regal bearing or demeanor.