also fledgeling, 1830, "untried" (adj.), in Tennyson; 1846 as a noun meaning "young bird" (one newly fledged); from fledge + diminutive suffix -ling. Of persons, from 1856.
a fledgling robin
a fledgling skier
a fledgling enterprise
fleam
fleck
fled
fledge
fledged
fledgling
flee
fleece
fleecy
fleer
fleet