When trying to convince oneself, there are several synonyms that can be used interchangeably, such as persuade oneself, assure oneself, and reassure oneself. To persuade oneself, one must use logic and reasoning to come to a conclusion. To assure oneself, one must feel confident about the decision made. To reassure oneself, one must regain the trust and faith in oneself. Other synonyms for convincing oneself are convince oneself of, affirm oneself, and reaffirm oneself. All these synonyms mean the same thing, which is to convince oneself that something is true or right. Ultimately, it is important to be honest with oneself when trying to convince oneself of something.