Synonyms for formerly

before now, some time ago, once, in the past, once upon a time, already, in former times, previously, earlier, time out of mind, in the early days, centuries ago, eons ago, anciently, in the old days, in olden times, used to be, long ago, before this, in time past, in days gone by, in days of yore, heretofore, a while back*, way back when*, in Grandfather's time*, in Grandmother's time*.

Antonyms now*, subsequently, immediately.