
1) Allay 2) Brighten 3) Ease 4) Illume 5) Illuminate 6) Illumine 7) Letup
Found on
https://www.crosswordclues.com/clue/lighten

1) Become lighter 2) Become more cheerful 3) Blanch 4) Bleach 5) Buoy up 6) Cheer 7) Ease 8) Ease the burden 9) Exclusively Anglo word 10) Exclusively Saxon word 11) Frost, at the salon 12) Make less heavy 13) Make less heavy or burdensome 14) Make lighter 15) Make lighter or brighter 16) Make more cheerful
Found on
https://www.crosswordclues.com/clue/lighten

• (v. i.) To descend; to light. • (v. t.) To free from trouble and fill with joy. • (v. i.) To burst forth or dart, as lightning; to shine with, or like, lightning; to display a flash or flashes of lightning; to flash. • (v. t.) To illuminate with knowledge; to enlighten. • (v. t.) To make lighter, or less heavy; to reduce ...
Found on
http://thinkexist.com/dictionary/meaning/lighten/
Light'en (līt''n)
intransitive verb [ See
Light to alight.] To descend; to light. « O Lord, let thy mercy
lighten upon us.»
Book of Common Prayer [ Eng. Ed.]. Found on
http://www.encyclo.co.uk/webster/L/40
Light'en transitive verb [ See
Light to illuminate.]
1. To make light or clear; to light; to illuminate; as, to
lighten an apartment with lamps or gas; to
lighten the streets. [ In this sense less common than
light. ] « A key of fire ran all along the shore, A...
Found on
http://www.encyclo.co.uk/webster/L/40

[
v] - make more cheerful 2. [v] - make more cheerful 3. [v] - become lighter
Found on
http://www.webdictionary.co.uk/definition.php?query=lighten
No exact match found.