The most common and most likely answer to this crossword clue is the 7 letter word STIMULI
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More clues leading to the result STIMULI
- What will encourage change for litmus? Iodine
- Spanish agreement to adopt multi-variable incentives
- Ferociously, ambitiously, a boy strangely wanting encouragement
- Spurs limit us in a different configuration
- Disturbing teen, such provocations could be untimeliest
- Spurs and United kept within playing limits
- Invoke response? We do turn litmus a shade of indigo
- Incentives from university in outstretched limits
- Inputs altering litmus, acids essentially
- US limit set out for action preceders
Buddy explains!

The straight part
We know that "action preceders" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case action preceders = stimuli.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 STIMULI mean?
STIMULI noun- Any external phenomenon that has an influence on a system, by triggering or modifying an internal phenomenon.
- Something external that elicits or influences a physiological or psychological activity or response.
- Anything effectively impinging upon any of the sensory apparatuses of a living organism, including physical phenomena both internal and external to the body.
- Anything that induces a person to take action.