The most common and most likely answer to this crossword clue is the 6 letter word EXHUME
I've seen this crossword clue in Financial Times
E
X
H
U
M
E
More clues leading to the result EXHUME
- Dig up old philosopher
- Disinter old philosopher
- Unearth erstwhile philosopher
- Bring up again strong smell in river
- To do this illegally is a grave offence
- Raise the dead with word of hesitation in old man
- Resurrect former buzz with sweetheart
- Get up late!
- Resurrect variable buzz in drugs
- Organise a late appearance
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 EXHUME mean?
EXHUME verb- To dig out of the ground; to take out of a place of burial; to disinter.
- To uncover; to bring to light.