(a.) Like, becoming, or suitable to, a queen.

aristocratic august chivalrous courtly dignified ducal dynastic exalted genteel gentle gentlemanlike gentlemanly grand grave high imperatorial imperatorious imperial imperious imposing kinglike kingly knightly ladylike lordly magisterial majestic monarchal monarchial monarchic noble of gentle blood of rank patrician princelike princely purple queenlike quite the lady regal royal sedate sober solemn sovereign stately statuesque titled venerable worthy