The most common and most likely answer to this crossword clue is the 9 letter word PROPELLED
I've seen this crossword clue in Financial Times
P
R
O
P
E
L
L
E
D
Buddy explains!

The straight part
We know that "Driven" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case driven = propelled.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 PROPELLED mean?
PROPELLED verb- To provide an impetus for motion or physical action, to cause to move in a certain direction; to drive forward.
- To provide an impetus for non-physical change, to make to arrive to a certain situation or result.