other days, other ways
retrospection
on the contrary
bygones
time out of mind
time immemorial
retrospect
bad old days
in retrospect
now
quite the contrary
behind
archaistic
ghost from one's past
impossibly
one day
apperceive
historical
unhistory
reminisce
longheaded
misremembrance
ain't what it used to was
lethe
creeping determinism
yesterday
hindsightism
long ago
old time
lost in time
good old days
nostophobia
retrovision
passéist
might
retro
look back
nostalgically
ex post facto
ass-backwards
retroactive
against the grain
forgetfulness
who would have thunk it
anthropism
pastlessness
rake over
at that time
whoosh
change