full-fledged

/ˌfʊl ˌˈflɛdʒd/

Something that's full-fledged is completely developed, or fully qualified. A full-fledged meal, as far as your mom's concerned, might include meat, potatoes, and a vegetable.

Things that are whole or complete are full-fledged — a full-fledged case of the flu isn't just a few sniffles and coughs, but requires you to lie in bed with a fever for several days. A full-fledged war involves two countries with a conflict deep enough to inspire violent clashes on both sides. The fledge part of full-fledged comes from the Old English -flycge, "having the feathers" or "fit to fly."

Definitions of full-fledged

1. adjective

   (of persons, e.g.) having gained full status
   “a full-fledged lawyer”

   “by the age of seventeen I was a full-fledged atheist”

   synonyms: fully fledged

   experienced, experient

   having experience; having knowledge or skill from observation or participation
2. adjective

   (of a bird) having reached full development with fully grown adult plumage; ready to fly
   synonyms: fully fledged

   fledged, mature

   (of birds) having developed feathers or plumage; often used in combination