SET ONE'S SIGHTS is an idiom that means to focus one's attention or efforts on a particular goal. The crossword solutions for this term are AIM (3 letters), AIMED (5 letters), and TAKEAIM (7 letters). AIM is a verb meaning to direct one's attention or efforts towards a goal, while AIMED is the past tense of the verb, and TAKEAIM is an infinitive phrase meaning to direct one's attention or efforts towards a goal.