The term 'Man of the Future' can be broken down into two crossword solutions: BOY (3 letters) and SEER (4 letters). BOY is a term used to refer to a young male, usually between the ages of 8 and 18. SEER is a term used to refer to someone who has the ability to predict the future or to see into the future. Together, these two words can be used to describe a young man who has the ability to foresee what lies ahead in the future.