recantation
noun
[ ˌriːkanˈteɪʃ(ə)n ]
• a statement that one no longer holds a particular opinion or belief; a retraction.
• "every writer interprets Galileo's recantation in a different way"
Similar:
renunciation,
renouncement,
disavowal,
denial,
repudiation,
retraction,
withdrawal,
apostasy,
abjuration,
retractation,