Sublimeness is a word that represents greatness, majesty, or grandeur. But, there are many other synonyms that can replace this word in different contexts. For example, magnificence refers to the quality of being impressive or beautiful. Splendor is another synonym that denotes brilliance, radiance, and grandiosity. Nobility is another term that can refer to sublimeness, as it represents the quality of people or things that are distinguished and impressive. Furthermore, grandiosity is a synonym that emphasizes the impressive and luxurious nature of something. Ultimately, there are many synonyms for sublimeness, and each one of them can be used in a different context to describe the greatness and majesty of people, things, and ideas.