lighten

To descend; settle down; light.

To become light or lighter; grow light or clear up; brighten: as, the sky lightens.

To emit flashes of lightning; shoot out as lightning; flash. See lightning. The lightning that lighteneth out of the one part under heaven shineth unto the other part.

To make light or bright; give light to; light up.

To illuminate mentally or spiritually; enlighten.

To send forth like lightning.

To become light or less heavy.

To make light or less heavy; reduce in weight; relieve of weight: as, to lighten coin by clipping or abrasion; to lighten a load or a ship.

To make less burdensome or oppressive; alleviate: as, to lighten the cares of life.

To cheer; gladden.