| in |
| in on(expression, adjective, understanding, cool, keen) |
| into(alert, familiar, wise, refined, knowledgeable) |
| latest(adjective, cool, present, smart, rage) |
| modish(adjective, fine, smart, rage, new) |
| observant(adjective, understanding, cool, sharp, bright) |
| on the beam(expression, idiom, sensible, alert, familiar) |
| savvy(adjective, understanding, cool, keen, smart) |
| sophisticated(current, fashionable, cultured, urbane, erudite) |
| swank(adjective, fine, smart, new, hot) |
| up on(expression, adjective, cool, sensible, alert) |
| à la mode(expression, idiom, present, smart, new) |
| able(adjective, smart, capacity, shrewd, clever) |
| abreast(adjective, present, new, hot, familiar) |
| acquainted(adjective, understanding, keen, sensible, certain) |
| alive(adjective, adverb, cool, sharp, sensible) |
| apprised(adjective, understanding, keen, sensible, certain) |
| attentive(adjective, understanding, keen, sharp, bright) |
| chic(adjective, cool, smart, new, wonderful) |
| cognizant(adjective, understanding, keen, sensible, certain) |