| wise(adjective, characteristic, reasonable, informal, rational) |
| brainy(adjective, characteristic, reasonable, rational, thoughtful) |
| calculating(adjective, characteristic, reasonable, rational, thoughtful) |
| farsighted(adjective, characteristic, reasonable, rational, thoughtful) |
| in a brown study(expression, adjective, idiom, characteristic, thoughtful) |
| levelheaded(adjective, characteristic, reasonable, rational, thoughtful) |
| lost in thought(expression, adjective, idiom, characteristic, reasonable) |
| museful(adjective, characteristic, reasonable, rational, thoughtful) |
| philosophic(adjective, characteristic, reasonable, rational, thoughtful) |
| reflecting(adjective, characteristic, reasonable, rational, thoughtful) |
| philosophical(adjective, characteristic, rational, intelligent, thoughtful) |
| abstracted(adjective, thoughtful, thinking, meditative) |
| cognitive(adjective, characteristic, thinking, cognition) |
| conceptual(adjective, concept, characteristic, thoughtfulness) |
| day-dreaming(adjective, characteristic, dream, thinking) |
| deep in thought(expression, adjective, idiom, thoughtful, absorbed) |
| dreamy(adjective, thoughtful, thinking, meditative) |
| mental(adjective, characteristic, mind, thinking) |
| noetic(adjective, characteristic, mind, abstraction) |
| ruminating(adjective, rational, intelligent, thoughtful, thinking) |