regal
Looking like or acting like a king or queen.
Regal means having the impressive dignity, elegance, or grandeur of royalty. When something looks or acts regal, it has the majestic quality you'd expect from a king or queen.
A lion's confident stride through the savanna appears regal. A tall ship with billowing white sails cutting through ocean waves looks regal. Even a person who carries themselves with exceptional grace and confidence might seem regal, walking into a room with their head held high and moving with calm assurance.
When you call something regal, you're saying it has that special combination of beauty, power, and natural authority that makes people take notice. A regal person doesn't demand respect by being loud or pushy. They command it simply by how they present themselves.
You might describe a grand building with soaring columns as having a regal appearance, or notice that your grandmother has a regal way of pouring tea. The word captures a quality of dignity and presence that makes something seem noble and magnificent, whether it's an eagle soaring overhead or a dancer moving across the stage with perfect control and grace.