The most common and most likely answer to this crossword clue is the 10 letter word UNDERSTAND
I've seen this crossword clue in The Daily Telegraph
U
N
D
E
R
S
T
A
N
D
More clues leading to the result UNDERSTAND
- See sudden rant turning nasty
- Get below platform
- Get down, get up
- Get subordinate to adopt a resolute attitude
- Get picture below spectator accommodation
- Get it from where market traders keep stock
- Get adopted by founder, St Andrew
- Gather where spectators seek refuge in bad weather?
- Dig beneath platform
- Make sense of reporting to base
Buddy explains!

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 UNDERSTAND mean?
UNDERSTAND verb- To grasp a concept fully and thoroughly, especially (of words, statements, art, etc.) to be aware of the meaning of and (of people) to be aware of the intent of.
- To believe, to think one grasps sufficiently despite potentially incomplete knowledge.
- (obsolete outside circus, acrobatics) To stand underneath, to support.