(also informal seeing as (how) ... )
because of the fact that ... :
Seeing that he's been off sick all week he's unlikely to come.
(also informal seeing as (how) ... )
because of the fact that ... :
Seeing that he's been off sick all week he's unlikely to come.
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005