The term 'ultimate goal' can be described by four different crossword solutions: AIM (3 letters), IDEAL (5 letters), TELOS (5 letters), and ENDALL (6 letters). AIM is a verb meaning to direct one's efforts towards a specific target or purpose. IDEAL is an adjective meaning perfect or representing the best possible example of something. TELOS is a noun meaning the ultimate end or purpose of something. ENDALL is a noun meaning the final or ultimate goal. All four words describe the concept of an ultimate goal, which is the desired outcome or result of a particular effort.