The most common and most likely answer to this crossword clue is the 6 letter word MAPPED
I've seen this crossword clue in The Daily Telegraph
M
A
P
P
E
D
Buddy explains!

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 MAPPED mean?
MAPPED verb- To create a visual representation of a territory, etc. via cartography.
- (followed by a "to" phrase) To act as a function on something, taking it to something else.
- (followed by a "to" phrase) To have a direct relationship; to correspond.
- To inform someone of a particular idea.