Source : Webster's Revised Unabridged Dictionary (1913)

Antecedently \An`te*ced"ent*ly\, adv.
   Previously; before in time; at a time preceding; as,
   antecedently to conversion. --Barrow.

Source : WordNet®

antecedently
     adv : at an earlier time or formerly; "she had previously lived in
           Chicago"; "he was previously president of a bank";
           "better than anything previously proposed"; "a
           previously unquestioned attitude"; "antecedently
           arranged" [syn: {previously}]