The most common and most likely answer to this crossword clue is the 7 letter word ARRAYED
I've seen this crossword clue in Financial Times
A
R
R
A
Y
E
D
More clues leading to the result ARRAYED
Buddy explains!

The straight part
We know that "Laid out" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case laid out = arrayed.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 ARRAYED mean?
ARRAYED verb- To clothe and ornament; to adorn or attire.
- To lay out in an orderly arrangement; to deploy or marshal.
- To set in order, as a jury, for the trial of a cause; that is, to call them one at a time.