formally reject or disavow a formerly held belief, usually under pressure; "He retracted his earlier statements about his religion"; "She abjured her beliefs"
To renounce or reject with solemnity; to recant; to abandon forever; to reject; repudiate
If you abjure something such as a belief or way of life, you state publicly that you will give it up or that you reject it. a formal statement abjuring military action. to state publicly that you will give up a particular belief or way of behaving = renounce