General:
* Sovereign: A kingdom is ruled by a sovereign, typically a king or queen.
* Royal: Related to the king or queen, their court, or their authority.
* Monarchy: A form of government where a king or queen rules.
* Realm: A territory ruled by a sovereign.
* Domain: The area of land or influence that a kingdom controls.
* Throne: The seat of power and authority of the ruler.
* Court: The group of people who advise and support the ruler.
* Noble: A person of high rank, usually with land and authority.
* Aristocratic: Belonging to or characteristic of the nobility.
Physical:
* Vast: A kingdom can cover a large geographical area.
* Expansive: Describing a kingdom with extensive territory.
* Magnificent: A kingdom can be opulent and impressive in its architecture and grandeur.
* Opulent: Very rich and luxurious.
* Splendid: Very impressive and beautiful.
Descriptive:
* Prosperous: A kingdom can be thriving and successful.
* Powerful: A kingdom can have a strong military and economic influence.
* Ancient: A kingdom can have a long history and tradition.
* Fabled: A kingdom might be legendary or steeped in folklore.
* Mythical: A kingdom that exists only in stories or legends.
* Utopian: An ideal kingdom, often described as perfect.
* Fallen: A kingdom that has declined in power or been destroyed.
More specific:
* Medieval: A kingdom from the Middle Ages.
* Renaissance: A kingdom during the Renaissance period.
* Feudal: A kingdom with a system of feudalism.
* Maritime: A kingdom with a strong naval presence.
* Agrarian: A kingdom primarily based on agriculture.
* Industrial: A kingdom with a strong industrial economy.
These are just a few examples, and the best words to describe a kingdom will depend on the specific context and your intended meaning.