The most common and most likely answer to this crossword clue is the 7 letter word REVERIE
R
E
V
E
R
I
E
More clues leading to the result REVERIE
- Dream I must be held in respect
- Trance is back, one knocking son out
- Minister of religion by lake in a state of abstraction
- Dreamy piece of music written by clergyman on lake
- Dream of cleric on lake
- Daydream about lake inspires verse
- Dream of father and Ireland back together
- Dream – always one welcomed by engineers
- Trance takes pastor before lake
- Daydreaming endlessly in office, wasting time
Buddy explains!

The straight part
We know that "Dream" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case dream = reverie.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does REVERIE mean?
REVERIE noun- A state of dreaming while awake; a loose or irregular train of thought; musing or meditation; daydream.
- An extravagant conceit of the imagination; a vision.
- A caper, a frolic; merriment.