The most common and most likely answer to this crossword clue is the 6 letter word HECATE
I've seen this crossword clue in The Daily Telegraph
H
E
C
A
T
E
More clues leading to the result HECATE
- Goddess not totally passionate, cold inside
- Mysterious goddess, endlessly angry but cold inside
- Greek goddess composed each note
- Tom East’s weird sister
- Tom Cruise’s ultimate deity?
- Tom, first in exam — magic speller?
- Goddess caught in passion by sweetheart
- Goddess shows negative emotion about the City
- The guy trailed by Blanchett’s hellish character
Buddy explains!

The straight part
We know that "Goddess" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case goddess = hecate.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.