The most common and most likely answer to this crossword clue is the 6 letter word MORALE
I've seen this crossword clue in The Daily Telegraph
M
O
R
A
L
E
More clues leading to the result MORALE
- Heart of gold in fellow
- Extra short on top of beer brings confidence
- Pure oriental spirit
- Mormon half-cut on beer and spirits
- Spirits to be taken by mouth swallowed by me
- Gypsy turning up with beer and spirits
- Beer chasing further interminable spirits
- After another, nearly drink spirits
- Spirits, including last of rum — or beer
- Spirits man swallows alternatively
Buddy explains!

The straight part
We know that "Spirits" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case spirits = morale.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 MORALE mean?
MORALE noun- The capacity of people to maintain belief in an institution or a goal, or even in oneself and others.