disavow
/dɪsəˈvaʊ/
To strongly and solemnly refuse to own or acknowledge; to deny responsibility for, approbation of, and the like.
He was charged with embezzlement, but he disavows the crime.
To deny; to show the contrary of; to deny legitimacy or achievement of any kind.
Because of her dissatisfaction, she now disavows the merits of fascism.