Previously

(adv.) Beforehand; antecedently; as, a plan previously formed.

Thesaurus Entries

aforetime, already, at one time, before, before all, before now, beforehand, beforetime, earlier, early, ere, ere then, erenow, erewhile, erst, erstwhile, formerly, heretofore, historically, hitherto, in olden times, in the past, in times past, once, only yesterday, or ever, prehistorically, priorly, recently, some time ago, then, theretofore, whilom, yesterday, yet