There are a variety of synonyms for the phrase "in person" that can add some variety to your vocabulary. Some options to consider might include terms like "face-to-face," "in the flesh," "physically," or "directly." You might also use phrases like "in the room," "live and in person," or "personally present" to describe someone's physical presence. Additionally, if you want to emphasize the importance of being present, you might consider terms like "hands-on," "on-site," or "in real life." By using these synonyms, you can add some variety and depth to your descriptions and make your writing more interesting to read.