The most common and most likely answer to this crossword clue is the 8 letter word PRACTISE
I've seen this crossword clue in The Guardian
P
R
A
C
T
I
S
E
More clues leading to the result PRACTISE
- Rehearse chapter at start of Thessalonians during worship
- Jimmy's outside Acton, having dropped off on train
- . Train carpet is in need of refurbishment
- Observe law that’s in force
- Run through court, interrupting worship
- Go over and scrape it off
- Prepare care tips to run through
- Rehearse scene in lift
- Performance is given energy after pair warm up?
- Follow expression of approval around court
Buddy explains!

The straight part
We know that "Go over" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case go over = practise.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 PRACTISE mean?
PRACTISE verb- To repeat (an activity) as a way of improving one's skill in that activity.
- To repeat an activity in this way.
- To perform or observe in a habitual fashion.
- To pursue (a career, especially law, fine art or medicine).
- To conspire.
- To put into practice; to carry out; to act upon; to commit; to execute; to do.
- To make use of; to employ.
- To teach or accustom by practice; to train.