memorious

adjective3

1. •
   having an unusually good memory

   • He had forgotten ever writing the work until, ten years later, a memorious friend produced it in Palermo, newly refurbished by Rota. — 2000
2. •
   Easy to remember, often for specific reason; memorable.

   • Deeds they shall do so digne memorious glory, / song shall not suit nor Hist'ory hold the story. — 1880
3. •
   Relating to memories.