disown; disavow; say that one no longer has anything to do with something; deny
Later in life, the great philosopher changed his views on many fundamental matters, and was forced to repudiate many of the opinions of his youth.
he ate the PUDDING AGAIN. When his mother asked him if he ate the pudding, he tried to REPUDIATE (deny eating it). :) repud (refused)+iate (to eat) = refused to take anymore or acknowledge REPUTATION+ATE. in hindi cinema if you marry a girl not belonging to your religion, class, . the father says you ate my reputation and you are not my son from now. hence the father DISOWNS his son.