| clever(adjective, sharp, smart, bright, rational) |
| ingenious(adjective, sharp, ability, smart, bright) |
| smart(adjective, good, keen, sharp, bright) |
| inventive(adjective, good, ability, smart, bright) |
| sharp(adjective, smart, bright, energetic, enthusiastic) |
| intelligent(adjective, good, clear, tough, severe) |
| creative(adjective, smart, bright, unusual, new) |
| imaginative(adjective, smart, bright, unusual, new) |
| original(adjective, smart, bright, new, fast) |
| quick-witted(adjective, good, keen, sharp, smart) |
| adroit(adjective, good, keen, sharp, smart) |
| astute(adjective, good, keen, sharp, smart) |
| brilliant(adjective, good, keen, sharp, smart) |
| shrewd(adjective, smart, bright, original, intelligent) |
| able(adjective, smart, bright, deep, original) |
| crafty(adjective, witty) |
| cunning(adjective, smart, bright, original, intelligent) |
| enterprising(adjective, energetic, enthusiastic, determined, original) |
| productive(adjective, original, fundamental, effective, novel) |
| apt(adjective, smart, bright, intelligent, effective) |