| judicious(adjective, sound, reasonable, sharp, sensible) |
| perspicacious(adjective, sound, reasonable, smart, bright) |
| sophisticated(adjective, reasonable, sensible, superior, familiar) |
| well-versed(adjective, smart, experience, know, capable) |
| able(adjective, smart, experience, know, capable) |
| advised(verb, adjective, knowledge, familiar, aware) |
| au fait(expression, adjective, familiar, informed, learned) |
| authorized(verb, adjective, smart, experience, know) |
| brilliant(smart, bright, brainy) |
| broad-minded(adjective, moderate, rational, tolerant, modern) |
| careful(adjective, sound, reasonable, sharp, sensible) |
| competent(adjective, smart, experience, know, capable) |
| conversant(adjective, smart, experience, know, capable) |
| lightened |
| open-minded(adjective, moderate, rational, tolerant, modern) |
| sage(adjective, sound, sharp, smart, bright) |
| scholarly(adjective, sound, sharp, smart, bright) |
| shrewd(adjective, sound, knowledge, sharp, sensible) |
| sober(adjective, smart, experience, know, capable) |
| thoughtful(adjective, sound, reasonable, sharp, sensible) |