I like "diminish".
I don't want to copy/paste these definitions below, but Stack Exchange won't let me give an answer of less than 30 characters.
[diminish]
diminish
to make or cause to seem smaller, less, less important, etc.; lessen; reduce.
to detract from the authority, honor, stature, or reputation of; disparage.
to make or cause to seem smaller, less, less important, etc.; lessen; reduce.
- to detract from the authority, honor, stature, or reputation of; disparage.
