| deft(adjective, bright, expert, skilled, capable) |
| delightful(cool, pleasant, fair, big, agreeable) |
| detecting(alert, intelligent, attentive, watchful, sharp-eyed) |
| dexterous(adjective, smooth, smart, bright, active) |
| diligent |
| discerning(adjective, smooth, keen, sharp, smart) |
| discovering(alert, intelligent, attentive, watchful, sharp-eyed) |
| discriminating(sharp, smart, alert, intelligent, attentive) |
| dynamite(decent, knowledgeable, adequate, skilled, qualified) |
| eager(alert, intelligent, precise, responsive, attentive) |
| eagle-eyed(alert, intelligent, attentive, watchful, sharp-eyed) |
| earnest |
| effective(adjective, bright, productive, persuasive, sharp-witted) |
| effectual(bright, sharp-witted, quick-thinking) |
| endowed(decent, knowledgeable, adequate, qualified, capable) |
| enough(decent, knowledgeable, adequate, qualified, capable) |
| equal(decent, knowledgeable, adequate, qualified, capable) |
| equitable(right, perfect, exact, proper, true) |
| fair(pleasant, agreeable, suitable, adequate, satisfactory) |
| fast on the draw(expression, idiom, sharp, bright, lively) |