The most common and most likely answer to this crossword clue is the 10 letter word INVOCATION
I've seen this crossword clue in The Guardian
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More clues leading to the result INVOCATION
Buddy explains!
The straight part
We know that "conjuring" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case conjuring = invocation.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 INVOCATION mean?
INVOCATION noun- The act or form of calling for the assistance or presence of some superior being, especially prayer offered to a divine being.
- A call or summons, especially a judicial call, demand, or order.
- An act of invoking or claiming a legal right.
- The act of invoking something, such as a function call.