The most common and most likely answer to this crossword clue is the 9 letter word IMPRISONS
I've seen this crossword clue in The Guardian
I
M
P
R
I
S
O
N
S
More clues leading to the result IMPRISONS
Buddy explains!

The straight part
We know that "Puts away" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case puts away = imprisons.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 IMPRISONS mean?
IMPRISONS verb- To put in or as if in prison; confine.