| astute(adjective, hard, sound, reasonable, sensible) |
| calm(adjective, sound, reasonable, sensible, rational) |
| clear(articulate, silver-tongued, well-spoken) |
| coherent(adjective, articulate, silver-tongued, well-spoken) |
| common-sense(adjective, reasonable) |
| composed(adjective, calm, sound, reasonable, sensible) |
| dispassionate(adjective, calm, sound, sensible) |
| fair-minded(adjective, sound, reasonable, rational, stable) |
| far-sighted(adjective, calm, sound, reasonable, sensible) |
| hard-headed(adjective, sound, reasonable) |
| informed(adjective, reasonable, sensible, rational, stable) |
| luminous(articulate, silver-tongued, well-spoken) |
| perceptive(adjective, sensible, intelligent, wise, shrewd) |
| percipient(adjective, sound, sensible, rational, intelligent) |
| perspicacious(adjective, sound, reasonable, sensible, intelligent) |
| pragmatical(adjective, hard, sound, reasonable, sensible) |
| reasoning(adjective, sound, reasonable, sensible, rational) |
| salubrious(adjective, good, pure, healthy, decent) |
| shrewd(adjective, hard, sound, reasonable, sensible) |
| temperate |