re ‧ gal /ˈriːɡ ə l/ BrE AmE adjective formal
[ Date: 1300-1400 ; Language: Old French ; Origin: Latin regalis , from rex 'king' ]
typical of a king or queen, suitable for a king or queen, or similar to a king or queen in behaviour, looks etc:
a ceremony of regal splendour
James watched with regal detachment.
—regally adverb