The most common and most likely answer to this crossword clue is the 10 letter word ABDICATION
A
B
D
I
C
A
T
I
O
N
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 ABDICATION mean?
ABDICATION noun- The act of disowning or disinheriting a child.
- The act of abdicating; the renunciation of a high office, dignity, or trust, by its holder.
- The voluntary renunciation of sovereign power
- The renunciation of interest in a property or a legal claim; abandonment.
- The action of being deposed from the seat of power.