sophisticated (adj.)
- adult
- advanced
- blase
- bored
- braw
- brittle
- byzantine
- chic
- chichi
- civilized
- classy
- complex
- complicated
- cool
- cosmopolitan
- cultivated
- cultured
- cynical
- daedal
- dainty
- dapper
- dashing
- delicate
- disabused
- disappointed
- discriminating
- disenchanted
- disillusioned
- elaborate
- elegant
- enlightened
- experienced
- exquisite
- fastidious
- fine
- genteel
- gordian
- graceful
- gracile
- gracious
- hardheaded
- hep
- hip
- intricate
- involved
- jaded
- jaunty
- knotty
- knowing
- knowledgeable
- labyrinthine
- mature
- matured
- multifaceted
- natty
- neat
- nice
- nifty
- nobby
- old
- polished
- posh
- practical
- practiced
- realistic
- recherche
- refined
- ripe
- ripened
- ritzy
- sagacious
- salty
- schooled
- seasoned
- sharp
- skeptical
- sleek
- slick
- smart
- smooth
- smug
- snazzy
- soigne
- soignee
- spiffy
- spruce
- suave
- subtle
- svelte
- swank
- swanky
- swell
- tough-minded
- tricksy
- tried
- trig
- trim
- undeceived
- unsophisticated
- urbane
- veteran
- well-bred
- well-dressed
- well-groomed
- wise
- world-weary
- worldly
- worldly-wise