all:
experienced.
unskilled, unfamiliar:
old,
schooled,
skilled,
Familiar,
educated,
experienced,
seasoned,
mature,
versed,
trained,
expert.
noun:
precocious, adult,
gifted,
Habile,
professional,
dexterous,
schooled,
polished,
initiated,
grown up,
finished,
prepared,
ambidextrous,
talented,
advanced,
trained,
well-rounded,
ripe,
handsome,
tutored,
qualified,
taught,
knowing,
slick,
Experient,
savvy,
mature.