'Springboard' definitions:

Definition of 'springboard'

(from WordNet)
noun
A flexible board for jumping upward
noun
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" [syn: springboard, jumping-off point, point of departure]

Definition of 'Springboard'

From: GCIDE
  • Springboard \Spring"board`\ (-b[=o]rd`), n. An elastic board, secured at the ends, or at one end, often by elastic supports, used in performing feats of agility or in exercising. [1913 Webster] Springbok

Synonyms of 'springboard'

From: Moby Thesaurus