| able(adjective, set, keen, sharp, bright) |
| accessible(adjective, set, complete, qualified, apt) |
| active(sharp, bright, lively, alert, wise) |
| acute(adjective, understanding, keen, sharp, fine) |
| adapted(adjective, set, ready, qualified, willing) |
| adept(bright, sharp-witted, quick-thinking) |
| adroit(smart, bright, intelligent, clever, sharp-witted) |
| afflicted(upset, anxious, shaky, troubled, distraught) |
| aflame(adjective, happy, passionate, enthusiastic, excited) |
| afraid(adjective, upset, excited, anxious, nervous) |
| aghast(adjective, upset, excited, anxious, nervous) |
| alert(adjective, sharp, smart, bright, lively) |
| all bases covered(expression, idiom, set, ready, qualified) |
| all ears(expression, sharp, bright, lively, active) |
| all there(expression, bright, active, wise, sharp-witted) |
| all torn up(expression, idiom, upset, anxious, shaky) |
| animated(adjective, happy, passionate, enthusiastic, excited) |
| annoyed(adjective, happy, passionate, enthusiastic, excited) |
| anticipating(adjective, set, complete, excited, anxious) |
| aroused(adjective, happy, passionate, enthusiastic, excited) |