I would like to know the proper form to refer to the reaction of an object X to an exterior cause Y. Is it correct to say

X's behavior towards Y

Or maybe

X's behavior against Y

Is more appropriate ?

  • 1
    Effects are not usually said to behave towards or against their causes. When the apple falls, it is not behaving towards gravity. Please supply a complete sentence giving additional context.
    – TimR
    Mar 2, 2016 at 11:42

1 Answer 1


The standard phrasing for what you are looking for is

The effect of Y on X

that Y causes X to somehow change.

You could also use if appropriate

the reaction of X to Y
X is effected by Y
the changes in X caused by Y

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