The most common and most likely answer to this crossword clue is the 9 letter word ENRAPTURE
I've seen this crossword clue in The Guardian
E
N
R
A
P
T
U
R
E
More clues leading to the result ENRAPTURE
- Transport doddery parent by river
- Transport: repeat run when ordered
- Charge defended by English conservationists on river transport
- Repeat run redesigned to thrill
- Parent organised river transport
- Parent adrift approaching river entrance
- Near disastrous time invested in Virgin transport
- EU partner’s terrible entrance
- Transport EU partner fixed
- Transport maybe near, it's fine to get tense
Buddy explains!

The straight part
We know that "Transport" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case transport = enrapture.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 ENRAPTURE mean?
ENRAPTURE verb- To fill with great delight or joy; to fascinate or captivate.