Synonyms of springboard

1. springboard, board: usage: a flexible board for jumping upward
2. springboard, jumping-off point, point of departure, beginning, start, commencement: usage: a beginning from which an enterprise is launched; "he uses other people's ideas as a springboard for his own"; "reality provides the jumping-off point for his illusions"; "the point of departure of international comparison cannot be an institution but must be the function it carries out"