An Appetite Whetter is a food or drink that stimulates one's appetite. The term can be broken down into three crossword solutions: AROMA (5 letters), SAMPLE (6 letters), and Canape (6 letters). An AROMA is a pleasant smell that can stimulate the appetite, a SAMPLE is a small portion of food or drink that can be used to test the flavor before committing to a full meal, and a canape is an appetizer or snack that is usually served on a small piece of bread or pastry. All three of these terms can be used to describe an Appetite Whetter.