discredit
1. dis.cred.it \(')dis-'kred-*t\ vt 1: to refuse to accept as true or
accurate : DISBELIEVE 2: to cause disbelief in the accuracy or authority
of 3: to deprive of good repute : DISGRACE
2. discredit n 1: loss of credit or reputation 2: lack or loss of belief
or confidence
Webster's English Dictionary