The most common and most likely answer to this crossword clue is the 11 letter word FORECASTING
I've seen this crossword clue in The Times
F
O
R
E
C
A
S
T
I
N
G
Buddy explains!
The straight part
We know that "Prediction" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case prediction = forecasting.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 FORECASTING mean?
FORECASTING verb- To estimate how something will be in the future.
- To foreshadow; to suggest something in advance.
- To contrive or plan beforehand.
- A forecast or prediction.