| sharp(adjective, skilled, polished, skillful, talented) |
| slick(adjective, smart, shrewd, clever, subtle) |
| smart(adjective, shrewd, clever, subtle, artful) |
| streetwise(adjective, smart, shrewd, clever, subtle) |
| well-informed(adjective, familiar, knowledgeable, skilled, aware) |
| with it(expression, adjective, smart, shrewd, clever) |
| A-OK(adjective, cool, pleasant, fair, big) |
| able(adjective, smart, skilled, shrewd, clever) |
| abreast(adjective, familiar, knowledgeable, skilled, aware) |
| acute(adjective, smart, shrewd, clever, subtle) |
| adequate(adjective, pleasant, fair, agreeable, suitable) |
| admissible(adjective, cool, pleasant, fair, big) |
| adroit(adjective, smart, shrewd, clever, subtle) |
| agreeable(adjective, pleasant, fair, suitable, adequate) |
| alive(adjective, familiar, knowledgeable, skilled, experienced) |
| alive to |
| all right(expression, adjective, pleasant, fair, agreeable) |
| appreciative of |
| apprehensive(adjective, familiar, knowledgeable, skilled, experienced) |
| apprised of |