The term 'make lighter' can be expressed in a variety of ways. The crossword solutions for this term include 'BRIGHTEN' (8 letters), 'illume' (6 letters), 'ILLUMINE' (8 letters), 'ALLEVIATE' (9 letters), and 'EASE' (4 letters). All of these words refer to the idea of making something lighter, either in terms of physical weight or emotional burden. BRIGHTEN and ILLUMINE both refer to the idea of making something brighter, while illume and EASE refer to making something easier or less burdensome. ALLEVIATE is a combination of the two, referring to making something both brighter and easier.