there's many a good tune played on an old fiddle
elderly
presenile
oldness
oldishness
antique
time-honored
time-honoured
elderliness
decrepitude
youngness
dote
cobwebbiness
antiqueness
there's life in the old dog yet
age of discretion
senescent
venerable
vetustity
show one's age
gerontic
age is just a number
big
dried out
sell-by date
older adult
cobwebbed
timeless
senescence
senile
collectable
Grandma Moses
for old sake's sake
agedness
eldership
eugeria
of age
collectible
oldfangledness
ould
nonsenior
unaging
ageostrophy
distressed
struldbruggian
senility
time
geronto-
infirmity
geriatric
obsoleteness
keepsake
elderhood
golden
not look a day over
newness
all that glitters is not gold
OK, boomer
old in the tooth
senectitude
geezerdom
senectuous
staleness
long in the tooth
superannuated
silver age
old enough to vote
æt.
secular
shortgevity
antiquate
Methuselah
superannuate
relic
spavined
age
middle-aged
age-related
senilism
cronehood
elderdom
middle youth
age like a fine wine
beyond one's years
elderish
seasoned
old
superannuation
codgy
unaged
maturate
mature
worthless
senesce
formerness
get on