| adept(adjective, smart, skilled, clever, able) |
| adult(adjective, cool, refined, practical, mature) |
| affected(adjective, keen, sympathetic, excited, involved) |
| ahead(adverb, out, forward, outward, onward) |
| alert(adjective, familiar, wise, knowledgeable, responsive) |
| alive(adjective, alert, familiar, wise, knowledgeable) |
| all wound up(expression, adjective, idiom, absorbed, occupied) |
| along(adverb, out, forward, outward, onward) |
| amid |
| amidst |
| among |
| amongst |
| appraised(adjective, alert, familiar, wise, knowledgeable) |
| appreciative(adjective, alert, familiar, wise, knowledgeable) |
| apprehensive(adjective, alert, familiar, wise, knowledgeable) |
| apprised(adjective, alert, familiar, wise, knowledgeable) |
| apt(adjective, smart, skilled, clever, able) |
| artificial(adjective, cool, refined, practical, cultured) |
| assiduous(adjective, involved, absorbed, occupied, engaged) |
| attention(noun, notice, awareness, concentration, curiosity) |