discredit
verb(dis-cred-it)
reject as false; refuse to accept
discredit
noun(dis-cred-it)
the state of being held in low esteem
Examples:
Your actions will bring discredit to your name. 
discredit
verb(dis-cred-it)
damage the reputation of
Examples:
This newspaper story discredits the politicians. 
discredit
verb(dis-cred-it)
cause to be distrusted or disbelieved
Examples:
The paper discredited the politician with its nasty commentary.