"Call attention" is a common phrase that means to attract someone's notice or to ask someone to pay closer attention to something. There are several synonyms you can use to convey the same meaning. For instance, you could replace "call attention" with "draw attention," "bring to notice," "highlight," or "point out." Other options include "flag up," "signal," "announce," "acknowledge," or "advertise." These synonyms are all useful in different contexts and can be used interchangeably to make your writing more lively and vivid. Whether you're writing an academic paper or a news article, using synonyms can make your writing more interesting and help to avoid repetition.