| ultramodern(adjective, present, unusual, strange, new) |
| up to speed(expression, adjective, idiom, current, informed) |
| versed(adjective, adverb, cool, sensible, familiar) |
| well-informed(adjective, familiar, current, skilled, competent) |
| well-versed(knowledgeable, conversant) |
| wise(adjective, understanding, reasonable, alert, familiar) |
| wise to(expression, adjective, understanding, cool, keen) |
| with it(expression, adjective, understanding, cool, present) |
| witting(adjective, understanding, reasonable, keen, sensible) |
| able to recognize(expression, adjective, idiom, understanding, keen) |
| abreast of(expression, adjective, current, informed) |
| advanced(adjective, unusual, strange, new, fresh) |
| aesthetic(adjective, understanding, keen, sensible, certain) |
| alive to(expression, adjective, understanding, keen, sensible) |
| all the rage(expression, idiom, new, current, advanced) |
| all there(expression, adjective, reasonable, rational, intelligent) |
| apperceptive(adjective, understanding, keen, sensible, certain) |
| assured(adjective, understanding, keen, sensible, certain) |
| at home with(expression, adjective, idiom, familiar, knowledgeable) |
| avant-garde(new, current, advanced, contemporary, timely) |