The most common and most likely answer to this crossword clue is the 8 letter word IDENTIFY
I've seen this crossword clue in The Daily Telegraph
I
D
E
N
T
I
F
Y
More clues leading to the result IDENTIFY
- Name I yet find strange
- Name one provided with happy ending after depression
- Know I study fifty puzzles — not following?
- Finger impression provided in case of injury
- Ordered, fine and tidy spot
- Establish yeti find is fraudulent
- This compiler before and after depression finally cleared name
- Recognise and deny if it changes
- I make God set about New Testament to name…
- Recognise who’s who, yet I find that’s mistaken
Buddy explains!

The straight part
We know that "Recognise" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case recognise = identify.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 IDENTIFY mean?
IDENTIFY verb- To establish the identity of someone or something.
- To disclose the identity of someone.
- To establish the taxonomic classification of an organism.
- To equate or make the same; to unite or combine into one.
- To have a strong affinity with; to feel oneself to be modelled on or connected to.
- To associate oneself with some group.
- To claim an identity; to describe oneself as a member of a group; to assert the use of a particular term to describe oneself.