The most common and most likely answer to this crossword clue is the 7 letter word INCLUDE
I
N
C
L
U
D
E
More clues leading to the result INCLUDE
- Count 150 bare pens on island
- Find room for popular item like this, after intervention by Director
- Add one new hint about day
- Admit home help for puzzle solvers will get 500 entering
- Embrace uncle I’d mistreated
- Contain start of deception within popular part of puzzle
- New evidence will hold key, one is first to admit
- Allow for nuclide transmutation
- Number of dead concealed by latest evidence
- Embrace one person wearing nothing accepting cult, oddly
Buddy explains!

The straight part
We know that "Number" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case number = include.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 INCLUDE mean?
INCLUDE noun- A piece of source code or other content that is dynamically retrieved for inclusion in another item.
- To bring into a group, class, set, or total as a (new) part or member.
- To contain, as parts of a whole; to comprehend.
- To enclose, confine.
- To conclude; to terminate.
- To use a directive that allows the use of source code from another file.