The most common and most likely answer to this crossword clue is the 6 letter word HEAVEN
I've seen this crossword clue in The Times
H
E
A
V
E
N
More clues leading to the result HEAVEN
- Guy looking over avenue, very pleasant place
- Fortunate even then as spoilt
- My medical specialism's providential
- Ambassador backed two-thirds of US state as perfect place
- Chuck Norris’s heading for paradise
- Nightclub in Roxburghe Avenue
- . Port bottles the ultimate in vintage – bliss!
- Joy needs to pull a man
- In part what A Couple of Swells walked up Somewhere over the Rainbow?
- Asgard is one cat’s name
Buddy explains!

The straight part
We know that "providential" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case providential = heaven.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 HEAVEN mean?
HEAVEN noun- The sky, specifically:
- The abode of God or the gods, traditionally conceived as beyond the sky; especially:
- The afterlife of the blessed dead, traditionally conceived as opposed to an afterlife of the wicked and unjust (compare hell); specifically:
- (by extension) Any paradise; any blissful place or experience.
- (by extension) A state of bliss; a peaceful ecstasy.
- (with a modifier) Similarly blissful afterlives, places, or states for particular people, animals, or objects.
- To transport to the abode of God, the gods, or the blessed.
- To beatify, enchant, or please greatly.
- To beautify, to make into a paradise.