reverie
Definitions
A state of being pleasantly lost in one's thoughts; a daydream.
An instrumental piece of music suggesting a dreamy or pensive mood.
Examples
She was lost in a deep reverie, staring out the window at the falling snow.
The soft melody of the piano pulled him out of his pleasant reverie.
He spent the afternoon in a quiet reverie, contemplating his future plans.
Synonyms
daydream trance musing fantasy contemplation abstraction meditation