The most common and most likely answer to this crossword clue is the 8 letter word ORATIONS
I've seen this crossword clue in The Daily Telegraph
O
R
A
T
I
O
N
S
Buddy explains!
The straight part
We know that "Addresses" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case addresses = orations.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 ORATIONS mean?
ORATIONS noun- A formal, often ceremonial speech.
- A lengthy speech or argument in a private setting.
- A specific form of short, solemn prayer said by the president of the liturgical celebration on behalf of the people.