The most common and most likely answer to this crossword clue is the 11 letter word ENCAPSULATE
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Buddy explains!

The straight part
We know that "Take in" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case take in = encapsulate.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.
Crossword Answer definitions
ENCAPSULATE verb- To enclose something as if in a capsule.
- To epitomize something by expressing it as a brief summary.
- To enclose objects in a common interface in a way that makes them interchangeable, and guards their states from invalid changes.
- To enclose data in packets that can be transmitted using a given protocol.