| well-rounded(adjective, familiar, informed, learned, educated) |
| au fait(expression, adjective, adverb, familiar, knowledgeable) |
| aware(adjective, understanding, cool, reasonable, keen) |
| cognizant(adjective, understanding, reasonable, keen, sensible) |
| informed(adjective, adverb, understanding, cool, reasonable) |
| abreast(adjective, adverb, present, new, familiar) |
| enlightened(adjective, alert, familiar, wise, refined) |
| knowledgeable(adjective, adverb, understanding, cool, sensible) |
| up on(expression, adjective, cool, sensible, alert) |
| familiar(adjective, adverb, cool, sensible, alert) |
| current(adjective, present, knowledge, unusual, strange) |
| up-to-date(adjective, adverb, present, knowledge, unusual) |
| conscious(adjective, understanding, cool, reasonable, keen) |
| contemporary(adjective, adverb, present, knowledge, unusual) |
| conversant(adjective, understanding, reasonable, keen, sensible) |
| hip(adjective, informal, alert, familiar, wise) |
| mindful(adjective, understanding, keen, sensible, certain) |
| alive(adjective, cool, sensible, alert, familiar) |
| knowing(adjective, understanding, cool, reasonable, keen) |
| up-to-the-minute(adjective, knowledge, new, current, modern) |