Walter Mitty (?.)
- absence of mind
- absentmindedness
- absorption
- abstractedness
- abstraction
- bemusement
- brown study
- castle-building
- daydream
- daydreamer
- daydreaming
- depth of thought
- dream
- dreaming
- engrossment
- fantasy
- fantasying
- fit of abstraction
- mooning
- moonraking
- muse
- musefulness
- musing
- muted ecstasy
- pipe dream
- pipe-dreaming
- preoccupation
- reverie
- stargazing
- study
- trance
- woolgathering
