[dis.cred.it] vt (1559) 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 (1565) 1: loss of credit or reputation "I knew stories to the ~ of England --W. B. Yeats"
2: lack or loss of belief or confidence: doubt "contradictions cast ~ on his testimony"