What is another word for momentously?
Pronunciation: [mə͡ʊmˈɛntəsli] (IPA) 
Momentously is an adverb that means an action or event of great significance or consequence. Some synonyms for momentously are: significantly, crucially, substantially, considerably, importantly, and decisively. These words can be used to describe events that have a profound impact on people's lives or the course of history. It's also important to note that these synonyms are often used in formal contexts, such as academic writing or media reporting. By using these synonyms, a writer can add depth and nuance to their language, conveying a sense of the gravity and importance of the subject matter at hand.
