| aware(adjective, cool, sensible, alert, familiar) |
| knowledgeable(adjective, cool, sensible, alert, familiar) |
| enlightened(adjective, alert, familiar, wise, knowledgeable) |
| informed(adjective, cool, sensible, alert, familiar) |
| cognizant(adjective, sensible, alert, familiar, careful) |
| experienced(adjective, smooth, keen, sharp, smart) |
| shrewd(adjective, smooth, keen, sharp, smart) |
| familiar(adjective, cool, sensible, alert, sophisticated) |
| mindful(adjective, alert, familiar, wise, knowledgeable) |
| seasoned(adjective, familiar, sophisticated, wise, refined) |
| sensible(adjective, smooth, keen, sharp, smart) |
| well-informed(adjective, familiar, knowledgeable, competent, informed) |
| wise(adjective, smooth, keen, sharp, smart) |
| appreciative(adjective, alert, familiar, wise, knowledgeable) |
| au courant(expression, adjective, cool, sensible, alert) |
| au fait(expression, adjective, familiar, knowledgeable, competent) |
| hep |
| knowing(adjective, cool, smooth, keen, sharp) |
| on to(expression, adjective, cool, sensible, alert) |
| privy(adjective, smart, familiar, brilliant, wise) |