The term 'set eyes on' is a phrase that means to look at something with intent. It can be broken down into four crossword solutions: SEE (3 letters), SPOT (4 letters), OBSERVE (7 letters), and ESPY (4 letters). Each of these words has a similar meaning, but they all imply different levels of attention and focus. To 'SEE' something implies a casual glance, while to 'SPOT' something implies a more focused search. To 'OBSERVE' something implies a more detailed examination, and to 'ESPY' something implies a careful watch. All of these words together suggest that the person is looking at something with purpose and intent.