The most common and most likely answer to this crossword clue is the 15 letter word EAST-NORTH-EAST
I've seen this crossword clue in The Times
E
A
S
T
-
N
O
R
T
H
-
E
A
S
T
Buddy explains!
The straight part
We know that "Direction" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case direction = east-north-east.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.