| Noun | 1. | point of departure - a place from which an enterprise or expedition is launched; "one day when I was at a suitable jumping-off place I decided to see if I could find him"; "my point of departure was San Francisco"origin, source, root, rootage, beginning - the place where something begins, where it springs into being; "the Italian beginning of the Renaissance"; "Jupiter was the origin of the radiation"; "Pittsburgh is the source of the Ohio River"; "communism's Russian root" | |