You searched for: “refudiating”
refudiate (verb), refudiates; refudiated; refudiating
To reject: The President called on Congress to refudiate the proposal.

Refudiate is a blend of "refute" and "repudiate"; where "refute" means "to prove a statement or theory to be wrong or false, to disprove" and "repudiate" means "to deny the truth or validity of something".

This entry is located in the following unit: English Words in Action, Group R (page 3)