The most common and most likely answer to this crossword clue is the 11 letter word PREPARATION
I've seen this crossword clue in The Times
P
R
E
P
A
R
A
T
I
O
N
More clues leading to the result PREPARATION
Buddy explains!
The straight part
We know that "homework" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case homework = preparation.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 PREPARATION mean?
PREPARATION noun- The act of preparing or getting ready.
- The state of being prepared; readiness.
- That which is prepared.
- The day before the Sabbath or other Jewish feast-day.
- Devotional exercises introducing an office.
- The previous introduction, as an integral part of a chord, of a note continued into a succeeding dissonance.