The most common and most likely answer to this crossword clue is the 8 letter word REVIVIFY
R
E
V
I
V
I
F
Y
Buddy explains!

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 REVIVIFY mean?
REVIVIFY verb- To reanimate, bring back to life.
- To reinvigorate or revitalize.
- To reactivate (a catalyst, reagent etc.).
- To become effective again as a reagent etc.