| careful(adjective, sensible, wise, cautious, clever) |
| circumspect(adjective, reasonable, sensible, wise, cautious) |
| cool(adjective, sound, smooth, reasonable, smart) |
| enlightened(adjective, sound, reasonable, sharp, sensible) |
| fast learner(adjective, learner) |
| foreseeing |
| forethoughtful |
| gifted(adjective, smart, bright, intelligent) |
| gnostic(adjective, understanding, keen, sharp, smart) |
| heady(adjective, smooth, keen, sharp, smart) |
| levelheaded(adjective, sound, reasonable, reason, sensible) |
| logical(adjective, sound, reasonable, sensible, rational) |
| penetrative(understanding, keen, sensitive, perceptive, observant) |
| qualified(adjective, good, cool, sharp, smart) |
| resourceful(adjective, smart, bright, intelligent) |
| skillful(adjective, cool, smart, bright, sensible) |
| sly(adjective, smooth, keen, sharp, smart) |
| smooth(adjective, keen, sharp, smart, intelligent) |
| sophic(adjective, understanding, cool, keen, sharp) |
| subtle(adjective, sharp, smart, sensitive, deep) |