There are many synonyms for the phrase "touches lightly", such as brushes, grazes, caresses, strokes, and dabs. Each of these words has a slightly different connotation and can be used to describe a range of physical interactions. For example, a brush might be a gentle touch with just the tips of the fingers, while a caress implies a more extended and loving gesture. A graze might be a fleeting touch that barely registers, while a stroke could be a more deliberate and intentional touch. Finally, a dab could refer to a light and quick touch, such as when applying makeup or paint.