stately

Synonyms: august ceremonial ceremonious conventional courtly deliberate elegant elevated formal gallant gracious grand grandiose haughty high highfaluting high-minded imperial imperious imposing kingly large lofty luxurious magnificent majestic massive measured monumental noble opulent palatial pompous portly proud queenly regal royal solemn stiff sumptuous superb towering

Antonyms: common ignoble informal undignified unimpressive unstately