as well as, after all, also, although, as (= since) ,at last, at least, because of, but, because, besides, due to (=thanks to), despite, even if, even that, for example, (=like) for instance, (=such as) given that. however, in order to (=so as to), in spite of, in spite of this, (or that), instead of, moreover (=in addition), nonetheless, nevertheless, on one hand, on the other hand, otherwise,rather that, so, so that since (= as), thereby, therefore, thus(= therefore) ,unlike, whilst (= whereas), while.