In consequentialness is a term used to describe a lack of importance or significance. Its antonyms would be words that convey the opposite meaning, such as importance, significance, relevance, or weight. Other antonyms for in consequentialness could include weightiness, momentousness, seriousness, or gravity. These terms all express the idea of something being significant or influential. In consequentialness is often used to describe something that is trivial or insignificant, but these antonyms describe something that is substantial or meaningful. Using these words can emphasize the importance of a concept or idea, and provide more depth and richness to a conversation or piece of writing.