The most common and most likely answer to this crossword clue is the 4 letter word GAIA
I've seen this crossword clue in Financial Times
G
A
I
A
More clues leading to the result GAIA
- Endless benefit being attached to a goddess
- Earth, to make great again, improve atmosphere for starters
- Excellent silver brought back for goddess
- Mother of 17 or 24?
- Earth is seen to be first-class in Georgia
- Gravitas oddly needed for goddess
- Earth goddess’s odd features of gravitas
- Goddess having gravitas, on and off
- Earth doctor extracted from African country
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 = gaia.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.