Cross-examine is a legal term that refers to questioning a witness or an accused in a trial or hearing. The term could be replaced with its antonym "agree" if the witness in question is credible, and the legal team has no reason to doubt their testimony. Additionally, the term could be replaced with "ignore" if the legal team decides not to question the witness or accused anymore. Another antonym for "cross-examine" is "assent" which means to agree to something or to give your consent. When using an antonym of "cross-examine," it's important to consider the context of the situation and the intention behind the word replacement.