The word "foresightfulnesses" is quite complex and may not have many direct synonyms. However, if we break it down to its basic meaning, we can find similar words to express the same sentiment. Foresightfulness can be defined as the ability to foresee and anticipate future events. Synonyms for this could include prescience, insight, perception, clairvoyance, wisdom, and prudence. These words all suggest a level of knowledge and insight that allows one to make informed decisions and predict outcomes. While there may not be a perfect synonym for foresightfulness, these words can help convey a similar idea.