experienced (adj.)

• accomplished
• accustomed
• adapted
• adept
• adjusted
• blase
• capable
• case-hardened
• competent
• conditioned
• cosmopolitan
• efficient
• expert
• familiarized
• hardened
• inured
• knowing
• knowledgeable
• master
• masterly
• mature
• matured
• naturalized
• old
• old-line
• old-time
• orientated
• oriented
• practical
• practiced
• prepared
• professional
• proficient
• qualified
• ripe
• ripened
• sagacious
• sage
• seasoned
• shrewd
• skilled
• skillful
• sophisticated
• trained
• tried
• versed
• vet
• veteran
• well-informed
• wise
• wonted
• worldly
• worldly-wise