The most common and most likely answer to this crossword clue is the 3 plus 4 letter word TEA ROSE
I've seen this crossword clue in The Times
T
E
A
R
O
S
E
More clues leading to the result TEA ROSE
- Peace possibly increased after meal
- First from Europe came out after Tesla hybrid
- Peace perhaps increased following meal
- Flower opening initially, offensive scent emitted
- Hybrid bloom, eastern, among aroids
- Got up after meal
- Drink wine that’s fragrant
- Unusual Easter egg being hidden in that shrub
- Flower that we finally moved from bed
- Something thorny in start of golf before lines are broadcast?
Buddy explains!

The straight part
We know that "Peace possibly" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case peace possibly = tea rose.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.