Solemn-solemn, serious, solemn, solemn.
Grand-grand and solemn, characterized by grand and solemn, paying special attention to form.
Passion-having strong feelings, passions or enthusiasm.
Solemn: The scene is grand and solemn, very serious. Or a person is dignified and serious. Example: The World Short Track Speed Skating Championship kicked off in Hungary with a solemn opening ceremony.
Solemnity: usually refers to the importance of a scene. Exodus: On serious occasions, we should pay more attention to Zhuang.
Grand: It usually refers to a grand and luxurious ceremony or occasion. Exodus: This is a grand ceremony! A ceremony handed down from generation to generation for thousands of years! (Mao Dun's Spring Silkworm)
Enthusiasm: Emphasize emotional color. Exodus: The names of labor heroes were put forward, and each name was warmly welcomed. (Mao Dun's Spring)
I hope my answer is helpful to you. You can ask questions. Please adopt it in time if you are satisfied, thank you!