gravitas
noun [ U ] formal uk/ˈɡræv.ɪ.tæs/ us/ˈɡræv.ə.tæs/
庄严（的举止）；庄重
seriousness and importance of manner, causing feelings of respect and trust in others
He's an effective enough politician but somehow he lacks the statesmanlike gravitas of a world leader. 他是一位极具影响力的政坛风云人物，但却让人感觉他缺乏世界领导人应有的政治家的庄严风度。
Compare: dignity