term:

Suppress

suppress vt

1 : to put down by authority or force
2 a : to keep secret
b : to stop or prohibit the publication or revelation of
3 a : to exclude (illegally obtained evidence) from use at trial [ narcotics found in violation of the right against unreasonable search and seizure]
b : to fail to disclose (material evidence favorable to a defendant) in violation of due process [accused the prosecution of ing evidence] compare brady material
vi
: to suppress evidence
sup·press·ible adj

sup·pres·sion [-pre-shən]
n

Source: Merriam-Webster's Dictionary of Law ©1996. Merriam-Webster, Incorporated. Published under license with Merriam-Webster, Incorporated.