1. (conj.) Granting, admitting, or supposing that; notwithstanding that; if.

2. (adv.) However; nevertheless; notwithstanding; -- used in familiar language, and in the middle or at the end of a sentence.

admitting that after all again albeit all the same allowing that although at all events at any rate but even even so for all that granted howbeit however in any case in any event just the same nevertheless nonetheless notwithstanding rather still supposing when while yet