Majestic; stately; imposing — dignified and dignified in bearing. A four-character idiom often used as '威風堂々と...' to describe someone or something with commanding presence.
彼は威風堂々とステージに現れた。
He appeared on the stage in a stately, imposing manner.
行進隊は威風堂々と行進を続けた。
The marching band continued to march with majestic dignity.
威風堂々たる態度で面接に臨んだが、自然に振る舞うことも大切だ。
He attended the interview with a dignified attitude, but it's also important to behave naturally.