The most common and most likely answer to this crossword clue is the 14 letter word WELL-CONNECTED
I've seen this crossword clue in Financial Times
W
E
L
L
-
C
O
N
N
E
C
T
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 WELL-CONNECTED mean?
WELL-CONNECTED adjective- Having close connections with people of wealth or social standing