reverie
/ˈrevərɪ/noun
1- a state of being pleasantly lost in one's thoughts; a daydream遐想; （快乐的）幻想; 白日梦：
a knock on the door broke her reverie
一阵敲门声打破了她的白日梦
mass noun I slipped into reverie.我开始想入非非。
1.1
- Music an instrumental piece suggesting a dreamy or musing state【乐】梦幻曲; 幻想曲。
1.2
- archaic a fanciful or impractical idea or theory〈古〉幻想, 妄想, 空想。
词源
early 17th cent.: from obsolete French resverie, from Old French reverie 'rejoicing, revelry', from rever 'be delirious', of unknown ultimate origin.