advanced age
advanced years
age
age of retirement
an incurable disease
anility
blind faith
caducity
childishness
credulity
credulousness
debility
decline
decline of life
declining years
decrepitude
disposition to believe
dotardism
drivel
ease of belief
eld
elderliness
feebleness
fondness
green old age
gross credulity
hale old age
hoary age
infatuation
infirm old age
infirmity
infirmity of age
longevity
old age
oldness
overcredulity
overcredulousness
overopenness to conviction
overtrustfulness
pensionable age
rash conviction
ricketiness
ripe old age
second childhood
senectitude
senile debility
senile dementia
senile psychosis
senile weakness
geezerhood
years
ageing
baldness
dither
doggrel
flatulency
garrulity
gentling
idiocy
imbecility
inertness
retrogradation
seediness
senescence
senility
senselessness
snorter
superannuation
washwoman