The most common and most likely answer to this crossword clue is the 5 plus 2 letter word ROUND UP
I've seen this crossword clue in Independent
R
O
U
N
D
U
P
More clues leading to the result ROUND UP
- Gather work engrosses old politicians
- Make conveniently bigger summary
- A clue to OUP’s gathering in of information, say?
- Gather what mathematician may do to make approximation
- Gather together in circle at college
- Group together make a score of nineteen, for example
- Give rough figure for drinks being promoted
- Gather set of drinks getting promoted?
- Make 19 20 with neat organisation
- Summary arrest
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.