dotage

noun3

1. •
   Decline in judgment and other cognitive functions, associated with aging; senility.
2. •
   Fondness or attentiveness, especially to an excessive degree.

   • Claudio And she is exceeding wise. Prince In euery thing but in louing Benedicke. […] I would shee had bestowed this dotage on mee, […] — 1598
3. •
   Foolish utterance(s); drivel.

   • No less are they out of the way in Philosophy, pestring their heads with the sapless dotages of old Paris and Salamanca. — 1642