n.
Pronunciation: ( ˌ )dis- ' kre-d ə t
Function: transitive verb
Date: 1559
1 : to refuse to accept as true or accurate : DISBELIEVE < discredit a rumor>
2 : to cause disbelief in the accuracy or authority of <a discredit ed theory>
3 : to deprive of good repute : DISGRACE <personal attacks meant to discredit his opponent>