The word "him" is a personal pronoun used as a subject or direct object for a male person or animal. Some synonyms for "him" include he, himself, the man, the guy, or the individual. Other synonyms can be used depending on the context, such as "his Majesty" for a king or "the father" for a patriarchal figure. In casual conversation, slang terms like "dude," "bro," or "guy" may also be used interchangeably with "him." It's essential to choose the appropriate synonym according to the intended meaning, level of formality, and tonality of communication.