The most common and most likely answer to this crossword clue is the 8 letter word FREEDOMS
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More clues leading to the result FREEDOMS
Buddy explains!

The straight part
We know that "liberties" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case liberties = freedoms.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 FREEDOMS mean?
FREEDOMS noun- The state of being free, of not being imprisoned or enslaved.
- The lack of a specific constraint, or of constraints in general; a state of being free, unconstrained.
- Frankness; openness; unreservedness.
- Improper familiarity; violation of the rules of decorum.