| biddable(adjective, calm, quiet, gentle, ready) |
| bodiless(abstract, theoretical, abstruse) |
| bookish(sound, knowledgeable, cultured, educated, erudite) |
| brainy(thoughtful, knowledgeable, cultured, educated, erudite) |
| capable(adjective, calm, quiet, understanding, gentle) |
| cerebral |
| commonsense |
| compliant(adjective, passive, submissive, satisfied, enduring) |
| conceptual(adjective, intellectual, nonconcrete) |
| conversant(knowledgeable, cultured, educated, erudite, enlightened) |
| cool-headed |
| cultivated(knowledgeable, cultured, educated, erudite, enlightened) |
| cultured(knowledgeable, educated, erudite, enlightened, scholarly) |
| deferential(adjective, calm, quiet, gentle, passive) |
| difficult(deep, thoughtful, abstract, theoretical, reflective) |
| discarnate(abstract, theoretical, abstruse) |
| disciplined |
| docile(adjective, quiet, gentle, passive, submissive) |
| easy-going(adjective, calm, quiet, understanding, gentle) |
| endurant |