dies | be | zueg|lich <Adj.>: in Bezug auf diese Angelegenheit; das Erwähnte betreffend: eine -e Frage; d. ...

Quelle: www.duden.de

diesbezueglich – concerning this matter; in this regard; referring to this

Quelle: www.leo.org

Why does somebody call his business [diesbezueglich.]?

Honestly, it's one of my favorite words. It sounds nice, but is not used very often; even though it is grammatically so interessting:
An "ie", an "ue" and this lovely ending "-glich".