The word that best replaces judgment without changing the meaning of the sentence is discretion.
I'll leave it up to your discretion whether to tell Anya about what you saw.
The words "judgment" and "discretion" are synonymous to each other.
Let's understand what a synonym is.
What is synonym?
A Synonym is a word that actually means exactly the same or nearly the same as another in a given language.
The meaning of judgment in the context it's used is the same as discretion. Judgment means the ability to take a proper decision and arrive at a sensible conclusion while discretion is the ability to make a decision for a better outcome.
Learn more about Synonyms on https://brainly.com/question/869158
