cured
experienced
experient
acclimated
acclimatized
accommodated
accustomed
adapted
adjusted
aged
blase
brisk
burning
case-hardened
conditioned
cosmopolitan
cosmopolite
curried
developed
established
familiarized
full-blown
full-fledged
full-grown
fully developed
habituated
hardened
hedged
hedged about
high-seasoned
hot
hot as pepper
in full bloom
inured
knowing
leavened
limited
lively
long-standing
maturated
mature
matured
mellow
mellowed
mitigated
modified
modulated
naturalized
nippy
not born yesterday
old
old-time
reasoned