The phrase "animadvert upon" is used to mean to criticize or scrutinize someone's actions or behavior. Synonyms for this phrase include censure, reproach, condemn, rebuke, reprimand, and chastise. Each of these words implies a level of disapproval or disapprobation of an individual's actions, whether as a result of a perceived wrongdoing or simply as a response to their behavior. Other synonyms that can be used include chasten, castigate, denounce, and discredit. These words have the same or similar meanings to those previously mentioned, but they may have a slightly different connotation or tone, depending on the context in which they are used.