Therefor

from WordNet (r) 3.0 (2006)

therefor
    adv 1: (in formal usage, especially legal usage) for that or for
           it; "ordering goods and enclosing payment therefor"; "a
           refund therefor"

from The Collaborative International Dictionary of English v.0.48

Therefor \There*for"\, adv. [There + for. Cf. {Therefore}.]
   For that, or this; for it.
   [1913 Webster]

         With certain officers ordained therefore. --Chaucer.
   [1913 Webster]

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