The most common and most likely answer to this crossword clue is the 7 letter word VOYAGES
I've seen this crossword clue in The Daily Telegraph
V
O
Y
A
G
E
S
More clues leading to the result VOYAGES
Buddy explains!

The straight part
We know that "Passages" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case passages = voyages.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 VOYAGES mean?
VOYAGES noun- A long journey, especially by ship.
- The act or practice of travelling.
- To go on a long journey.