The most common and most likely answer to this crossword clue is the 9 letter word NOVITIATE
I've seen this crossword clue in Financial Times
N
O
V
I
T
I
A
T
E
More clues leading to the result NOVITIATE
Buddy explains!
The straight part
We know that "New member’s" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case new member’s = novitiate.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 NOVITIATE mean?
NOVITIATE noun- The period during which a novice of a religious order undergoes training
- The place where a novice lives and studies
- A novice