Answer: fledged

AnswerCrossword Clue
FLEDGEDFull-..
FLEDGEDHaving feathers
FLEDGEDReared until able to fly, as a bird
fledgedrear until ready for flight or independent activity
fledgedFLEDGE, to furnish with feathers
fledgedcover with or as if with feathers or down
fledgedleave the nest after acquiring such feathers
fledgedfurnish (as an arrow) with feathers
fledgedto acquire the feathers necessary for flight or independent activity