When it comes to describing something as grand, majestic, and awe-inspiring, the word "cathedralesque" is often used. However, there are several other synonyms that can be used to convey a similar meaning. "Spectacular" is a great alternative to "cathedralesque", as it suggests something that is visually breathtaking and impressive. "Monumental" is another great option, as it implies something that is significant in size and scope. "Magnificent", "grandiose", and "majestic" are also great words to use when describing something that is impressive and awe-inspiring. Ultimately, the thesaurus is full of potential synonyms for "cathedralesque" that can help writers find just the right word to convey their intended meaning.