The most common and most likely answer to this crossword clue is the 9 letter word PROCREATE
P
R
O
C
R
E
A
T
E
More clues leading to the result PROCREATE
- Make issue for tablet in box
- Screwed a receptor to make babies
- Make children harp on about heartless shade
- Tracedesigned to be fruitful
- Produce young ape 20 trained
- Make young corporal upset, worried about sappers
- Top career managed for father
- Father's professional approach starting to get recognition in the Island
- Reproduce lost ace report
- a Make issue for energy-guzzling old banger
Buddy explains!

The straight part
We know that "Make young" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case make young = procreate.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 PROCREATE mean?
PROCREATE verb- To beget or conceive (offspring).
- To originate, create or produce something.
- To reproduce.