| privy to |
| proficient(adjective, familiar, knowledgeable, skilled, aware) |
| prudent(adjective, smart, shrewd, clever, subtle) |
| respectable(adjective, pleasant, fair, agreeable, suitable) |
| right on(expression, adjective, pleasant, fair, agreeable) |
| sagacious(adjective, smart, shrewd, clever, subtle) |
| satisfactory(adjective, fair, agreeable, suitable, adequate) |
| seized of |
| sensible of |
| sensible to |
| sharp-witted |
| skilled(adjective, familiar, knowledgeable, aware, skillful) |
| skillful(adjective, smart, skilled, shrewd, clever) |
| slippery(adjective, smart, shrewd, clever, subtle) |
| sly(adjective, smart, shrewd, clever, subtle) |
| smooth(adjective, smart, shrewd, clever, subtle) |
| sophisticated |
| standard(adjective, pleasant, fair, agreeable, suitable) |
| street smart(expression, adjective, smart, clever, subtle) |
| sufficient(adjective, pleasant, fair, agreeable, suitable) |