Fledge (flĕj) means to furnish with feathers necessary for flight. It refers to birds, but it is also used figuratively, where it means to take care of something until it is ready to fly (e.g., a project or product).
On September 30th the company will roll out another fledgling product, Google Wave, for a test involving some 100,000 people. (Economist.com)
Blue lasers are only now starting to fledge from some of the world’s leading commercial R&D labs (USAToday.com)