[f. LIGHTEN v.1 + -ED1.] Made light; relieved of a burden.

1

1700.  Dryden, Flower & Leaf, 297. Some tumbled Horse and Man; Around the Fields the lighten’d Coursers ran.

2

1886.  Miss Broughton, Dr. Cupid, III. viii. 171. Peggy returns from it with a considerably lightened heart.

3