The most common and most likely answer to this crossword clue is the 9 letter word ORGANISER
I've seen this crossword clue in Financial Times
O
R
G
A
N
I
S
E
R
More clues leading to the result ORGANISER
- Newspaper, perhaps, is about to back electronic device
- Runner who’s old unexpectedly regains lead in race
- Love new-style earrings? I’ll order!
- Manager‘s journal is here at the centre
- One plans a ring with new earrings
- Arranger ran orgies in resort
- Fixer of musical instrument is getting particular note right
- Co-ordinator ordered garrison to arrest enemy’s No. 1
- One responsible for arranging rare song, I suspect
- Is Her Majesty supporting Hammond perhaps for manager?
Buddy explains!

The straight part
We know that "I’ll order" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case i’ll order = organiser.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 ORGANISER mean?
ORGANISER noun- A person who arranges the details of a public event.
- A hand-held micro-computer that will perform specific tasks; can be used as an electronic diary, alarm clock, recorder of memos and notes, a portable database etc.
- A group of cells that, together with the evocator, control differentiation in the embryo; the inductor