| active(sharp, smart, lively, wise, sprightly) |
| acute(sharp, smart, bright, lively, active) |
| adept(smart, bright, skillful, sharp-witted, nimble-witted) |
| adroit(smart, bright, intelligent, clever, skillful) |
| agile(adjective, smart, bright, lively, clever) |
| alert(sharp, smart, lively, intelligent, clever) |
| all there(expression, smart, bright, active, wise) |
| apt(smart, bright, intelligent, clever, slick) |
| astute(smart, bright, intelligent, clever, sharp-witted) |
| athletic |
| bright(smart, intelligent, clever, slick, sharp-witted) |
| brisk |
| buoyant |
| bustling |
| canny(smart, bright, intelligent, clever, slick) |
| competent(bright, active, wise, sharp-witted, quick-thinking) |
| deft(sharp, bright, lively, sprightly, supple) |
| dexterous(sharp, bright, lively, sprightly, supple) |
| easy-moving |
| effective(bright, active, wise, sharp-witted, quick-thinking) |