Although

(conj.) Grant all this; be it that; supposing that; notwithstanding; though.

Thesaurus Entries

after all, again, albeit, all the same, at all events, at any rate, but, even, even so, for all that, howbeit, however, in any case, in any event, just the same, nevertheless, nonetheless, notwithstanding, rather, still, though, when, whereas, while, yet