The most common and most likely answer to this crossword clue is the 6 letter word METHOD
I've seen this crossword clue in The Guardian
M
E
T
H
O
D
More clues leading to the result METHOD
- Way defence ministry covers the unexpected
- System satisfied stretcher bearer
- Approach satisfied head of department initially
- Routine drug overdose
- Came across brick carrier’s way of working
- System satisfied Head of Department at first
- Order complied with, note having been sent back
- Style of acting characteristic of princely madness
- Carrier following police procedure
- Acting technique depicting part of Hamlet’s madness
Buddy explains!

The straight part
We know that "procedure" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case procedure = method.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 METHOD mean?
METHOD noun- A process by which a task is completed; a way of doing something (followed by the adposition of, to or for before the purpose of the process):
- (often "the method") A technique for acting based on the ideas articulated by Constantin Stanislavski and focusing on authentically experiencing the inner life of the character being portrayed.
- A subroutine or function belonging to a class or object, synonym of member function
- Marijuana.
- An instruction book systematically arranged.
- To apply a method
- (casting, by extension) to apply particular treatment methods to a mold
- A trick where the boarder grabs the heel edge of the board with their back hand, between their feet, and then pulls the board towards their back, while arching their back and bending knees.