abjugate
v. C2 Proficiency ab·ju·gate
v. to give up a belief or a habit completely. It is an old-fashioned word that people rarely use today.
v. to renounce or abandon a belief, practice, or habit. Archaic in modern usage; typically found in historical or legal contexts.
From Latin abiugātus, perfect passive participle of abiugō (“remove, separate from”); from ab- (“away from”) + iugō (“bind, connect”).
Usage
The verb is typically followed by a direct object representing the belief or claim being abandoned.