| percipient(adjective, sound, sensible, rational, intelligent) |
| philosophic(adjective, sound, reasonable, keen, sensible) |
| placid(adjective, calm, quiet, cool, moderate) |
| plain(adjective, calm, honest, sensible, dark) |
| plausible(adjective, open, sound, honest, sensible) |
| pleased(adjective, quiet, cool, moderate, gentle) |
| pondering(adjective, reasonable, keen, deep, rational) |
| possessed(adjective, calm, quiet, relaxed, tranquil) |
| preoccupied(adjective, reasonable, keen, deep, rational) |
| profound |
| quiet(adjective, calm, cool, reasonable, dark) |
| quieted(adjective, calm, relaxed, tranquil, easygoing) |
| rapt(adjective, reasonable, keen, deep, rational) |
| ratiocinative(adjective, sound, reasonable, sensible, rational) |
| real(adjective, hard, sound, simple, reasonable) |
| reasoning(adjective, sound, reasonable, sensible, rational) |
| recollected |
| reflecting(adjective, reasonable, keen, deep, rational) |
| reflective(adjective, sound, reasonable, sensible, rational) |
| repressed(adjective, calm, relaxed, tranquil, easygoing) |