The most common and most likely answer to this crossword clue is the 7 letter word DADAISM
I've seen this crossword clue in Independent
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A
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More clues leading to the result DADAISM
- Barrier protecting platform for unconventional art
- Movement in barrier surrounding platform
- First of Douglas Adams’ works featuring one avant-garde section
- Platform adopted by crazy revolutionary movement
- Mother holds the stage presenting art movement
- The old man is embraced by a maiden in a movement defying social convention
- Movement to keep platform in check
- Infantile pop music’s introduction is included within movement
- Father aims to change movement
- Elevated position embraced by parent’s artistic movement
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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.