| percipient(adjective, sound, sensible, sensitive, rational) |
| prudent(adjective, sound, reasonable, sensible, intellectual) |
| tenable(adjective, sound, sensible, rational, intelligent) |
| thought-out(adjective, sound, sensible, rational, intelligent) |
| well-advised(adjective, sound, reasonable, sensible, rational) |
| psychic(adjective, intellectual, mental, cerebral) |
| reasonable(adjective, sound, sensible, rational, wise) |
| knowing(adjective, sound, reasonable, knowledge, sensible) |
| noetic(adjective, mind, intellect, mentality) |
| reasoning(adjective, sound, reasonable, sensible, rational) |
| reflective(adjective, sound, reasonable, sensible, rational) |
| thinking(adjective, sound, reasonable, sensible, intellectual) |
| thoughtful(adjective, sound, reasonable, sensible, rational) |
| wise(adjective, sound, reasonable, sensible, rational) |
| commonsensical(adjective, sound, sensible, rational, intelligent) |
| conceptual(adjective, mind, intellect, mentality) |
| excogitating(adjective, mind, intellect, mentality) |
| psychogenic(adjective, intellectual, mental, cerebral) |
| ratiocinative(adjective, sound, reasonable, sensible, rational) |
| thought(adjective, reasoning, intellectual, mental) |