abrogate

“The government cannot just abrogate contracts,” Larry Summers said yesterday.

It was not necessary to abolish all, but inevitable to abrogate much that was looked upon as obligatory.

Why should the ruling classes seek to abrogate the treaties and defy foreign powers?

Again interpretative ordinances were called in to abrogate a portion of the law itself.

Why should a close relationship abrogate respectful courtesy?

I know that the moderns being ashamed of it, wish to abrogate it, and to throw it off from themselves upon the early heretics.