Wordnet 3.0
ADVERB (1)
1.
(in formal usage, especially legal usage) for that or for it;
- Example: "ordering goods and enclosing payment therefor"- Example: "a refund therefor"
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]
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"