From Longman Dictionary of Contemporary Englishpoint of departurepoint of departurean idea which you use to start a discussion He takes the idea of personal freedom as his point of departure. → point
Examples from the Corpus
point of departure• The answer: only a point of departure.• Still, the police continued their efforts independently, distributing her picture to all points of departure from the country.• The problem is an acute one in the case of Britain, given the absence of any clear point of departure.• Irigaray has offered some clues, but she takes the extreme of the feminine position as her point of departure.• The themes themselves dictate what is studied; they provide points of departure for the curriculum.• In each case the point of departure is a surface-syntax input.• The boat would then sail in a circle, dragging the net, until it returned to the point of departure. 