The word "imperativenesses" is not a common word in English language and hence, it is hard to find its synonyms. However, by breaking down the word into its parts, we can come up with some possible replacements. The word "imperative" means important or necessary and can be used instead of "imperativenesses." Other possible synonyms for the word include vital, crucial, essential, significant, and urgent. These words can be used to convey a sense of importance or urgency. It is important to note that not all words may have the exact same meaning as "imperativenesses" and therefore, context is crucial for accurate usage.