dotage Meaning, Definition & Usage

  1. noun mental infirmity as a consequence of old age; sometimes shown by foolish infatuations
    second childhood; senility.

WordNet

Do"tage noun
Etymology
From Dote, v. i.
Definitions
  1. Feebleness or imbecility of understanding or mind, particularly in old age; the childishness of old age; senility; as, a venerable man, now in his dotage.
    Capable of distinguishing between the infancy and the dotage of Greek literature. Macaulay.
  2. Foolish utterance; drivel.
    The sapless dotages of old Paris and Salamanca. Milton.
  3. Excessive fondness; weak and foolish affection.
    The dotage of the nation on presbytery. Bp. Burnet.

Webster 1913