The most common and most likely answer to this crossword clue is the 6 letter word ACCOST
I've seen this crossword clue in The Times
A
C
C
O
S
T
More clues leading to the result ACCOST
- Stop pretence about a possible alternative to sweetheart
- A fee quoted for what solicitors do
- Bill with amount to be paid for buttonhole
- Approach from company's restricted by legislation
- Challenge air conditioning price
- Damage following aircraftman’s approach
- What some solicitors do on hearing a charge
- Stop a payment via the telephone
- Confront air conditioning price
- Buttonhole with a carnation initially added to price
Buddy explains!

The straight part
We know that "Stop" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case stop = accost.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 ACCOST mean?
ACCOST noun- Address; greeting.
- An attack.
- To approach and speak to boldly or aggressively, as with a demand or request.
- To join side to side; to border.
- (by extension) To sail along the coast or side of.
- To approach; to come up to.
- To speak to first; to address; to greet.
- To adjoin; to lie alongside.
- To assault.
- To solicit sexually.