(of persons, e.g.) having gained full status(adjective)
(of a bird) having reached full development with fully grown adult plumage; ready to fly(adjective)
WordNet. Princeton University. 2010.
Use "fully fledged" in a sentence
"But one is apt to forget, in doing this, that there is one thing which we cannot wipe off the slate, -- namely, ourselves, not taken in the Bergsonian sense alone, but as fully fledged persons, possessed of the very qualities for which we undertake to search, yet without the possession of which the search could not begin."
"It took a few years before Papal permission was granted, and I became a fully fledged member of the Sisters for Christian Community."
"At which point Gnaeus Asinius Pollio, a fully fledged consul at last by virtue of his having assumed his regalia, made his offering, and taken his oath of office, stepped into the picture."