The most common and most likely answer to this crossword clue is the 8 letter word LEVITATE
L
E
V
I
T
A
T
E
More clues leading to the result LEVITATE
- Vegetative lump partly turned to rise, unsupported
- Priest with hint of transgression had to be suspended
- Hebrew welcoming a time to rise
- Vital tee shot to get off the ground
- Float independent gallery situated under Bulgarian capital
- Hover, as 22 Down looking over gallery
- Hang about gallery after playing live
Buddy explains!

The straight part
We know that "to get off the ground" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case to get off the ground = levitate.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 LEVITATE mean?
LEVITATE verb- To cause to rise in the air and float, as if in defiance of gravity.
- To be suspended in the air, as if in defiance of gravity.