therefor

[th air-fawr] /ˌðɛərˈfɔr/

adverb

for or in exchange for that or this; for it:

a refund therefor.

Origin

1125-75; Middle English therfor. See there, for

Can be confused

therefor, therefore (see synonym study at therefore)

Examples from the web for therefor

Glyph series in caves may therefor have been primitive writing.
It uses half the parts and is therefor twice as minimal.
One can even structure it so that there is a second-best choice and give partial credit therefor.
The problem with global warming is it seems distant, complicated, and therefor easy to deny.
Who cares the research was privately financed and therefor must be good.
They are not and therefor do not: no compensatory magic is required.

British Dictionary definitions for therefor

/ˌðɛəˈfɔː/

adverb

(archaic) for this, that, or it: he will be richer therefor

Word Origin and History for therefor

adv.