The most common and most likely answer to this crossword clue is the 7 letter word ADOPTED
I've seen this crossword clue in The Times
A
D
O
P
T
E
D
More clues leading to the result ADOPTED
- Took on suitable editor without visit to see
- A daughter chosen to be taken in
- Took pint to stop row with editor
- Took on bill covering party
- Took on work with provider of talks after a day
- 25 chose to be taken in
- Work in ‘Bill & Ted’ took over
- Embraced alterations to depot after a day
- Taken in by publicity around transport depot
- Took on work in Bill & Ted
Buddy explains!

The straight part
We know that "Took on" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case took on = adopted.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 ADOPTED mean?
ADOPTED verb- To take by choice into relationship (a child, heir, friend, citizen, etc.)
- To take or receive as one's own what is not so naturally.
- To select and take or approve.
- To win ten consecutive games against an opponent