Regal (adjective)

1. Having the qualities of a king or queen; royal.
2. Suitable for or resembling a monarch.

Origin:

Derived from the latin word regalis which means royal, or from rex which means king.

Examples:

1. She wore a regal dress fit for a queen.
2. The palace had a regal atmosphere with its grand architecture and decorations.
3. His regal bearing made him stand out in the crowd.
4. The dog had a regal look, with its long fur and noble stance.
5. The regal concert hall had a capacity of over 1000 people.