The phrase "single out" means to choose or highlight a particular person, thing, or group from others. There are several synonyms that can be used to convey the same meaning, including "spotlight," "draw attention to," "discriminate," "select," "pick out," "differentiate," "highlight," "isolate," and "segregate." Each of these words can be used to indicate the act of focusing on or singling out a particular entity. When writing, it is important to choose the right synonym based on the context and intended meaning to convey the desired message effectively.