| knowledgeable(adjective, understanding, cool, sound, knowledge) |
| aware(adjective, understanding, cool, sound, reasonable) |
| wise(adjective, understanding, sound, reasonable, sharp) |
| educated(verb, adjective, sound, knowledge, sharp) |
| enlightened(verb, adjective, sound, knowledge, sharp) |
| acquainted(verb, adjective, understanding, knowledge, keen) |
| knowing(adjective, understanding, cool, sound, reasonable) |
| learned(adjective, sound, knowledge, sharp, smart) |
| au courant(expression, adjective, idiom, understanding, cool) |
| intelligent(adjective, sound, reasonable, knowledge, sharp) |
| familiar(adjective, adverb, cool, sensible, alert) |
| abreast(adjective, adverb, familiar, knowledgeable, skilled) |
| apprised(verb, adjective, understanding, keen, sensible) |
| au fait(expression, adjective, idiom, adverb, familiar) |
| in the know(expression, adjective, idiom, cool, sensible) |
| cognizant(adjective, understanding, reasonable, keen, sensible) |
| erudite(adjective, knowledge, sensible, experience, skill) |
| well-rounded(adjective, familiar, learned, educated, well-informed) |
| advised(verb, adjective, knowledge, familiar, aware) |
| conversant(adjective, understanding, reasonable, keen, sensible) |