| conceptual(adjective, rational, psychological) |
| deep(adjective, reasonable, keen, rational, thoughtful) |
| educated(intellectual, learned, enlightened, studious, deep-thinking) |
| philosophic(adjective, sound, reasonable, keen, sensible) |
| psychogenic(adjective, intellectual, supernatural, mental, spiritual) |
| psychologic |
| reasonable(adjective, sound, keen, sensible, rational) |
| recondite(adjective, rational, intellectual, enlightened, studious) |
| scholarly(adjective, rational, intelligent, thoughtful, serious) |
| smart(adjective, rational, intellectual) |
| strong |
| analytical(adjective, sound, reasonable, sensible, rational) |
| bookish(adjective, rational, intelligent, thoughtful, serious) |
| brain |
| heavy(rational, intellectual, supernatural, spiritual, paranormal) |
| high-brow |
| inner(rational, emotional, intellectual, supernatural, mental) |
| intellective(adjective, rational, intelligent, wise, emotional) |
| intellectualistic |
| internal |