| Solution | Length | |
|---|---|---|
| 3 letters | ||
| wit | 3 | |
| 4 letters | ||
| seer | 4 | |
| mind | 4 | |
| head | 4 | |
| nous | 4 | |
| sage | 4 | |
| soul | 4 | |
| 5 letters | ||
| brain | 5 | |
| rabbi | 5 | |
| ratio | 5 | |
| sense | 5 | |
| 6 letters | ||
| savant | 6 | |
| smarts | 6 | |
| noetic | 6 | |
| talent | 6 | |
| psyche | 6 | |
| brains | 6 | |
| reason | 6 | |
| sanity | 6 | |
| genius | 6 | |
| 7 letters | ||
| STARETS | 7 | |
| thought | 7 | |
| egghead | 7 | |
| scholar | 7 | |
| ability | 7 | |
| thinker | 7 | |
| sapient | 7 | |
| prodigy | 7 | |
| 8 letters | ||
| highbrow | 8 | |
| instinct | 8 | |
| Wise man | 8 | |
| decision | 8 | |
| cerebral | 8 | |
| academic | 8 | |
| 9 letters | ||
| reasoning | 9 | |
| 10 letters | ||
| brainpower | 10 | |
| graymatter | 10 | |
| ideamonger | 10 | |
| 11 letters | ||
| RATIONALITY | 11 | |
| 13 letters | ||
| consciousness | 13 | |
| understanding | 13 | |