| quick-witted(adjective, smart, bright, intelligent, clever) |
| smart(adjective, bright, intelligent, shrewd, clever) |
| clever(adjective, smart, bright, intelligent, shrewd) |
| brilliant(smart, bright, intelligent, clever, slick) |
| keen(adjective, smart, intelligent, clever, skillful) |
| quick(adjective, smart, bright, intelligent, shrewd) |
| sharp(adjective, smart, bright, intelligent, clever) |
| adroit(smart, bright, intelligent, shrewd, clever) |
| alert(adjective, smart, intelligent, clever) |
| apt(smart, bright, intelligent, clever, slick) |
| bright(smart, intelligent, clever, slick, sharp-witted) |
| canny(adjective, smart, bright, intelligent, shrewd) |
| dexterous(smart, bright, shrewd, clever, subtle) |
| witty(smart, bright, intelligent, clever, slick) |
| acute(adjective, smart, bright, active, wise) |
| astute(adjective, smart, bright, intelligent, shrewd) |
| brainy(smart, intelligent, clever) |
| facetious(smart, bright, intelligent, clever, slick) |
| hep(smart, shrewd, clever, subtle, artful) |
| humorous(smart, bright, intelligent, clever, slick) |