The most common and most likely answer to this crossword clue is the 3 plus 2 plus 7 letter word AGE OF CONSENT
I've seen this crossword clue in The Times
A
G
E
O
F
C
O
N
S
E
N
T
More clues leading to the result AGE OF CONSENT
- A majority of sexual partners?
- A chap welcoming return of enemy politicians when Congress officially gets going
- One can get so agitated about fine legal term
- Reach this so one can get fresh with female?
- The time to say yes?
- Beyond which relations allowed fees cannot go wrong
- When one may seek the other?
- How old prisoner is transported, when one can agree to act
- This attained, perhaps, so can one get involved with female?
Buddy explains!

The straight part
We know that "This" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case this = age of consent.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.