actually
aforetime
before
before now
beforetime
certainly
earlier
erenow
erewhile
erst
factually
formerly
forsooth
heretofore
hitherto
in fact
in reality
in the past
in times past
in truth
in very sooth
indeed
indeedy
nothing else but
of a truth
only yesterday
prehistorically
previously
priorly
really
really-truly
recently
then
truly
undoubtedly
verily
veritably
whilom
with truth
yesterday
categorically
metaphorically
rhetorically