The most common and most likely answer to this crossword clue is the 9 letter word IMPROVISE
I've seen this crossword clue in Independent
I
M
P
R
O
V
I
S
E
More clues leading to the result IMPROVISE
- Pull together one million, supporting Society in contest
- One's found in better jam
- Ad lib is put in to make enhancement
- . Work with what’s given? I’m in favour of US tool
- VIP is more prepared to make do
- To play by ear is better entertaining
- Jam is better outside!
- One’s seen in better make up
- Better to cover doctrine briefly and wing it
- Is VIP plied with more jam?
Buddy explains!

The straight part
We know that "make do" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case make do = improvise.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 IMPROVISE mean?
IMPROVISE verb- To make something up or invent it as one goes on; to proceed guided only by imagination, instinct, and guesswork rather than by a careful plan.