Meeting up is a phrase that signifies a gathering or appointment with someone in person. There are several synonyms of "meeting up" that one can use, such as rendezvous, come together, assemble, convene, unite, gather, hookup, catch up, or link up. Rendezvous pertains to a planned meeting place or location, while coming together is a general term for meeting someone at a specific place. Assemble, convene, and unite mean gathering to discuss an idea or to resolve a situation. Gather refers to a group of people who come together for a particular purpose, while hookup, catch up, and link up refers to a more informal meeting of friends or acquaintances.