The crossword solution for the term 'Metaphor for an Incentive' is 'BAIT'. A metaphor for an incentive is a comparison between two things that are not related, but which can be used to explain the concept of an incentive. BAIT is often used as a metaphor for an incentive because it is something that is used to attract or lure someone into a desired action. It is a way of providing an incentive to do something, such as taking a job or making a purchase.