The most common and most likely answer to this crossword clue is the 7 letter word SORTING
I've seen this crossword clue in The Daily Telegraph
S
O
R
T
I
N
G
Buddy explains!
The straight part
We know that "Ordering" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case ordering = sorting.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 SORTING mean?
SORTING verb- To separate items into different categories according to certain criteria that determine their sorts.
- To arrange into some sequence, usually numerically, alphabetically or chronologically.
- To conjoin; to put together in distribution; to class.
- To conform; to adapt; to accommodate.
- To choose from a number; to select; to cull.
- To join or associate with others, especially with others of the same kind or species; to agree.
- To suit; to fit; to be in accord; to harmonize.
- To fix (a problem) or handle (a task).
- To attack physically.
- Ordering.
- Categorizing.