Walter Mitty absence of mind absentmindedness absorption abstractedness abstraction bad dream bemusement castle-building close study concentration contemplativeness daydream daydreamer daydreaming deep thought depth of thought dream dreaming engrossment fantasy fantasying fit of abstraction incubus melancholy mooning moonraking muse musefulness musing muted ecstasy nightmare pensiveness pipe dream pipe-dreaming preoccupation profound thought reflectiveness reverie speculativeness stargazing study thoughtfulness trance vision wistfulness woolgathering