superannuate

verb5

1. •
   To retire or put out of use due to age.

   • These crumbling relicks and long fired particles superannuate such expectations; bones, hairs, nails, and teeth of the dead, were the treasures of old sorcerers. — 1658
2. •
   To retire due to age.
3. •
   To give a pension to, on account of old age or other infirmity; to cause to retire from service on a pension.
4. •
   To become obsolete or antiquated.
5. •
   To show to be obsolete due to age.