| really into(expression, adjective, smooth, smart, practical) |
| receptive(adjective, alert, familiar, wise, knowledgeable) |
| refined(adjective, cool, smooth, reasonable, rational) |
| sagacious(sharp, smart, intelligent, clever, astute) |
| schooled(adjective, cool, refined, practical, mature) |
| seasoned(adjective, smart, refined, practical, expert) |
| sentient(adjective, alert, familiar, wise, knowledgeable) |
| shark(sharp, smart, intelligent, clever, astute) |
| skeptical(adjective, cool, refined, practical, mature) |
| skilled(adjective, smart, practical, expert, competent) |
| skillful(adjective, smart, skilled, clever, polished) |
| slick(sharp, smart, intelligent, clever, astute) |
| slippery(sharp, smart, intelligent, clever, astute) |
| sly(sharp, smart, intelligent, clever, astute) |
| smart(adjective, smooth, keen, sharp, intelligent) |
| stagy(adjective, cool, refined, practical, mature) |
| studied(adjective, cool, refined, practical, mature) |
| suave(adjective, cool, refined, practical, mature) |
| svelte(adjective, cool, refined, practical, mature) |
| switched on(expression, adjective, refined, practical, mature) |