The most common and most likely answer to this crossword clue is the 6 letter word ESPRIT
I've seen this crossword clue in The Guardian
E
S
P
R
I
T
More clues leading to the result ESPRIT
- Wit's heartless riposte wounded
- Rogue priest has what the corps should have
- Liveliness of film describing childless state
- Liveliness of sense regularly associated with pair, Italian
- Vitality, special power slowing
- Vitality of English model occupied by publicity
- Revealing lively wit, clergyman points to go heavenwards
- High priest’s lively wit
- Unorthodox priest presents wit from France
- Life of religious minister English Society’s elevated
Buddy explains!

The straight part
We know that "Vitality" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case vitality = esprit.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 ESPRIT mean?
ESPRIT noun- Spirit, enthusiasm.
- A wit.
- Liveliness, or active mind and spirit.