| ill-behaved(adjective, imposturous) |
| illusive(false, misleading, illusory) |
| impostrous(adjective, false, dishonest, untrustworthy, artful) |
| imposturous(adjective, false, dishonest, deceitful, rotten) |
| informed(intelligent, wise, learned) |
| insightful(sharp, smart, intelligent, wise, learned) |
| knowledgeable(intelligent, wise, learned, sage) |
| learned(intelligent, wise, sage) |
| mischievous(adjective, imposturous) |
| mock(false, misleading, illusory) |
| oblique(false, misleading, illusory) |
| off(false, misleading, illusory) |
| on the ball(expression, idiom, sharp, smart, astute) |
| phony(false, misleading, illusory) |
| plausible(false, misleading, illusory) |
| pretended(false, misleading, illusory) |
| rascally(adjective, pharisaical, pharisaic, sophistical, imposturous) |
| rational(wise, learned, sage) |
| reflective(intelligent, wise, learned) |
| sage(intelligent, wise, learned) |