The most common and most likely answer to this crossword clue is the 7 letter word CAPABLE
C
A
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A
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More clues leading to the result CAPABLE
- Competent old man tethered by rope
- Old man cutting wire with skill
- Fit guy enthrals old man
- Competent dad put in some wiring
- Impossible to avoid denying Spanish girl is qualified
- Competent party boss apparently taken in
- Competent father entertained by 14
- Sailor in unusual place is effective
- Qualified secretary employed by government minister
- Prevail over island uprising, being efficient
Buddy explains!

The straight part
We know that "Qualified" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case qualified = capable.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 CAPABLE mean?
CAPABLE adjective- Able and efficient; having the ability needed for a specific task; having the disposition to do something; permitting or being susceptible to something.
- Of sufficient capacity or size for holding, containing, receiving or taking in; accessible to. Construed with of, for or an infinitive.