| careful(adjective, sound, reasonable, sharp, smart) |
| clear-sighted(adjective, sharp, sympathetic, alert, sensitive) |
| cognitive(adjective, characteristic, smart, rationality) |
| cultured(adjective, familiar, serious, wise, refined) |
| egghead(adjective, smart, bright, intellectual) |
| expeditious(adjective, activity, quick, flexible, timely) |
| farsighted(adjective, smooth, keen, sharp, smart) |
| literate(adjective, familiar, polite, sophisticated, refined) |
| pointed(adjective, sharp, bright, quick, brainy) |
| proper(adjective, skilled, accomplished, talented) |
| qualified(adjective, good, cool, keen, smart) |
| read(adjective, knowledge, experience, skill, expert) |
| searching(adjective, alert, perceptive, attentive, watchful) |
| sober(adjective, sound, reasonable, sensible, rational) |
| streetwise(adjective, smooth, keen, sharp, smart) |
| tactful(adjective, sensible, cautious, sage, circumspect) |
| ultrasmart(adjective, mind, quickness, possession) |
| versed(adjective, familiar, knowledgeable, informed, experienced) |
| vigilant(adjective, cool, reasonable, sharp, bright) |
| watchful(adjective, cool, reasonable, sharp, smart) |