The most common and most likely answer to this crossword clue is the 8 letter word BALLETIC
I've seen this crossword clue in The Daily Telegraph
B
A
L
L
E
T
I
C
More clues leading to the result BALLETIC
- Graceful and flowing, Lake Erie finally freezing all round?
- Graceful fleet regularly observed in sea
- Live movement capturing a couple of lines related to dance
- One in dancemay be so
- Dance-related dance quote upended
- Writer takes every blockbuster film as movingly graceful
- In freezing cold, the Parisian is graceful
- Be twitching with everyone joining in, as befits some dancing
- Graceful name returned on occasion for 17a
- Wager a lot of reserve covers everyone involved in dance
Buddy explains!

The straight part
We know that "graceful" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case graceful = balletic.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 BALLETIC mean?
BALLETIC adjective- Pertaining to or suitable for ballet.