The phrase "that man" can be replaced with numerous synonyms depending on the context. Some alternatives are "he," "the gentleman," "the guy," "the individual," "the fellow," "the dude," "the person," "the male," "the chap," "the bloke," "the hombre" and "the man in question." Each of these synonyms conveys the same meaning as "that man" but can add a different tone or depth to the sentence. It is essential to choose the right synonym that represents the intended meaning and context. Whether in conversation or written communication, using synonyms for "that man" can enhance language proficiency and expression.