The most common and most likely answer to this crossword clue is the 10 letter word LIBERATION
I've seen this crossword clue in The Guardian
L
I
B
E
R
A
T
I
O
N
More clues leading to the result LIBERATION
Buddy explains!

The straight part
We know that "Freedom" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case freedom = liberation.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 LIBERATION mean?
LIBERATION noun- The act of liberating or the state of being liberated.
- The process of striving to achieve equal rights and status.