The Oxford Thesaurus An A-Z Dictionary of Synonyms - notwithstandingadv.

1) nevertheless, nonetheless, despite that, in spite of that, yet, anyway: He was refused permission to go but he left notwithstanding. --prep. 2) despite, in spite of, regardless of, in the face of, against: Notwithstanding his mother's objections, George married Marsha. --conj. 3) although, though, even though, despite the fact that: The product was almost totally unknown, notwithstanding it had been on the market for years.