To grow lighter; to become less dark or lowering; to brighten; to clear, as the sky.
To make lighter, or less heavy; to reduce in weight; to relieve of part of a load or burden; as, to lighten a ship by unloading; to lighten a load or burden.
To make less burdensome or afflictive; to alleviate; as, to lighten the cares of life or the burden of grief.