The most common and most likely answer to this crossword clue is the 6 letter word MINDED
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More clues leading to the result MINDED
Buddy explains!

The straight part
We know that "Took care of" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case took care of = minded.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 MINDED mean?
MINDED verb- (originally and chiefly in negative or interrogative constructions) To dislike, to object to; to be bothered by.
- To look after, to take care of, especially for a short period of time.
- (chiefly in the imperative) To make sure, to take care (that).
- To be careful about.
- Take note; used to point out an exception or caveat.
- To attend to, concern oneself with, heed, be mindful of.
- To remember.
- To have in mind; to intend.
- To put in mind; to remind.
- Having a mind (inclination) for something or a certain way of thinking about things.
- Having a preference for doing something; having a likelihood, or disposition to carry out an act.