| logical(adjective, reasonable, rational, sober, wise) |
| all there(expression, adjective, reasonable, rational, intelligent) |
| astute(adjective, reasonable, rational, sober, wise) |
| attentive(adjective, reasonable, rational, intelligent, sober) |
| au courant(expression, adjective, reasonable, rational, intelligent) |
| aware(adjective, reasonable, rational, intelligent, sober) |
| canny(adjective, reasonable, rational, intelligent, sober) |
| cognizant(adjective, reasonable, rational, intelligent, sober) |
| commonsensical(adjective, reasonable, rational, sober, wise) |
| conscious(adjective, reasonable, rational, intelligent, sober) |
| consequent(adjective, reasonable, rational, intelligent, sober) |
| conversant(adjective, reasonable, rational, intelligent, sober) |
| cunning |
| discerning(adjective, reasonable, rational, intelligent, sober) |
| discreet(adjective, reasonable, rational, intelligent, sober) |
| discriminating(adjective, reasonable, rational, sober, wise) |
| down-to-earth(adjective, reasonable, rational, sober, wise) |
| far-sighted(adjective, reasonable, rational, intelligent, sober) |
| in right mind(expression, adjective, idiom, reasonable, rational) |
| informed(adjective, reasonable, rational, intelligent, sober) |