The most common and most likely answer to this crossword clue is the 8 letter word LIBATION
I've seen this crossword clue in The Daily Telegraph
L
I
B
A
T
I
O
N
More clues leading to the result LIBATION
- Hero, number one cricketer coming in for a drink
- Without hesitation, making free drink
- Drink in freedom, without hesitation
- Monarch set aside freedom offering gift
- Drink, seeing emancipation with no sign of hesitation
- Drink and fresh bait eaten by cat
- Drink in one club, being entertained by hero
- Free on bail — it means celebratory drink
- Book one in a hundred drinks offer
- Drink it on bail for a change
Buddy explains!

The straight part
We know that "Drink" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case drink = libation.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 LIBATION mean?
LIBATION noun- The act of pouring a liquid, most often wine, in sacrifice on the ground, on a ritual object, or on a victim, in honor of some deity.
- The wine or liquid thus poured out.
- A beverage, especially an alcoholic one.