"Be around" is a common phrase that basically means to exist or to be present. However, there are plenty of synonyms that can convey a similar meaning such as to persist, to endure, to remain, to circulate, to hover, to appear, and to linger. These synonyms imply a sense of continuity or duration, indicating that something has been around for some time and will likely continue to be. Another similar phrase is "hang out," which implies casual or relaxed presence in a particular place or with particular people. Overall, the use of synonyms can help bring more variety to your language and make your writing or speech more interesting and engaging.