The DICT Development Group

  56 Moby Thesaurus words for "former":
     aforementioned, aforenamed, aforesaid, ancient, antecedent,
     antediluvian, anterior, anticipatory, beforementioned, bygone,
     ci-devant, departed, earlier, early, elder, eldest, erstwhile,
     first, first-born, firstling, fore, foregoing, forementioned,
     forenamed, immemorial, last, late, latest, major, named, old,
     olden, older, oldest, once, onetime, past, precedent, preceding,
     precurrent, preexistent, prehistoric, previous, prime, primeval,
     primitive, primogenitary, prior, quondam, recent, said, same,
     senior, sometime, then, whilom