"Dressing in" is an expression that implies putting on clothing or attire. If you are tired of using this phrase repeatedly, you can use synonyms such as "donning", "slipping into", "putting on", "changing into", or "sporting." Each of these words conveys a similar meaning, making it easy to switch things up in your writing or everyday conversation. Additionally, you could use variants such as "decking out", which implies a more elaborate dress-up, or "getting dressed", which implies an action you take when you're starting your day or preparing for a special event. Overall, having a variety of synonyms for "dressing in" can help keep your communication fresh and engaging.