The most common and most likely answer to this crossword clue is the 14 letter word TRANSFORMATION
I've seen this crossword clue in Independent
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More clues leading to the result TRANSFORMATION
Buddy explains!
The straight part
We know that "change" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case change = transformation.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 TRANSFORMATION mean?
TRANSFORMATION noun- The act of transforming or the state of being transformed.
- A marked change in appearance or character, especially one for the better.
- The replacement of the variables in an algebraic expression by their values in terms of another set of variables; a mapping of one space onto another or onto itself; a function that changes the position or direction of the axes of a coordinate system.
- A rule that systematically converts one syntactic form into another; a sentence derived by such a rule.
- The alteration of a bacterial cell caused by the transfer of DNA from another, especially if pathogenic.
- Ideologically driven government policy - becoming more conformant with socialist and African nationalist groupthink.