The most common and most likely answer to this crossword clue is the 8 letter word CREATIVE
I've seen this crossword clue in The Guardian
C
R
E
A
T
I
V
E
More clues leading to the result CREATIVE
- On filling initial curriculum vitae, set out to be original
- Advertising ideas man turning life around among Native Americans
- Showing imagination, island invested in reforming vet care
- Be ingenious in half an acre at Iver, Bucks
- Original member of family left out after bit of controversy
- Imaginative chapter concerning Evita returning
Buddy explains!

The straight part
We know that "original" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case original = creative.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 CREATIVE mean?
CREATIVE noun- A person directly involved in a creative marketing process.
- Artistic material used in advertising, e.g. photographs, drawings, or video.
- Tending to create things, or having the ability to create; often, excellently, in a novel fashion, or any or all of these.
- (of a created thing) Original, expressive and imaginative.
- A type of set of natural numbers, related to mathematical logic.
- Designed or executed to deceive or mislead.