noun. The state of being senile; old age; especially, the weakness or imbecility of old age.

noun. The quality or state of being senile; old age.

noun. Senescence; the bodily and mental deterioration associated with old age.

noun. The losing of memory and reason due to senescence.

noun. An elderly, senile person.

noun. the state of being senile

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

"Many people greatly misuse the word senility when wanting to convey the idea that the aged individual that they are referring to has memory loss, confusion etc., when the appropriate word is dementia."

senile  

age  eld  geezerhood  old age  oldness  

ability  acceptability  adaptability  admissibility  affordability  

alcoholism  apoplexy  crookedness  debility  decadence  

Ag  aboriginality  abulia  advanced age  advanced years