Long-headedness is a term used to describe someone who has the ability to think and plan ahead. There are several synonyms for this term, including farsightedness, foresight, wisdom, shrewdness, and sagacity. Farsightedness refers to being able to anticipate future events and outcomes, while foresight involves careful planning for the future. Wisdom implies profound knowledge or understanding, while shrewdness suggests the ability to make practical and effective decisions. Sagacity pertains to being wise and perceptive, with a deep understanding of human nature and the world. These synonyms all capture the essence of long-headedness, representing a valuable quality that enables individuals to navigate life with confidence and success.