Meeting up with someone is a common way to describe planning to see someone in person. However, there are a number of synonyms you can use to add a little variety to your vocabulary. Some alternatives for "meeting up with" could include "getting together," "hooking up," "rendezvousing," "having a meet-up," "catching up," "convening," "gathering," or "assembling." Each of these options has a slightly different connotation, so consider the context when selecting the best term to use. Whether you're trying to organize a casual get-together with friends or planning a business meeting, using alternative phrases can make your communication more engaging and interesting.