| nifty(adjective, marvelous, cunning, neat, skillful) |
| on the ball(expression, adjective, idiom, good, smooth) |
| pointed(adjective, penetrating, witty, searching, analytical) |
| productive(adjective, tough, energetic, active, fantastic) |
| professional(adjective, smooth, smart, practical, expert) |
| prolific(adjective, original, imaginative, artistic, inspired) |
| sapient(adjective, sound, smooth, sharp, smart) |
| sensitive(adjective, sharp, smart, bright, fast) |
| sophisticated(adjective, cool, smooth, smart, complex) |
| strategic(adjective, cunning, planned, subtle, tactful) |
| tactful(adjective, sensible, intelligent, subtle, sage) |
| visionary(adjective, fantastic, original, extravagant, ingenious) |
| wary(adjective, sharp, smart, bright, lively) |
| aware(adjective, cool, sound, sharp, smart) |
| discriminating(adjective, keen, sharp, smart, sensitive) |
| experienced(adjective, good, cool, sound, smooth) |
| prudent(adjective, sharp, smart, sensible, intelligent) |
| serpentine(adjective, cunning, sly, winding) |
| sound(adjective, sharp, sensible, alert, intelligent) |
| stylish(adjective, cool, attractive, careful, elegant) |