lethe

noun3

1. •
   Forgetfulness of the past; oblivion.

   • So in the Lethe of thy angry soule, Thou drowne the sad remembrance of those wrongs, Which thou supposest I haue done to thee. — 1593
2. •
   Dissimulation.

   • Till that the conquering Wine hath steep't our sense, In soft and delicate Lethe. — 1606
3. •
   (no longer used, rare) Death.

   • Pardon me Iulius, here was't thou bay'd braue Hart, Heere did'st thou fall, and heere thy Hunters stand Sign'd in thy Spoyle, and Crimson'd in thy Lethee. — 1599