There are many synonyms for the phrase "getting ready". For example, one might say they are "preparing", "planning", or "organizing" before an event. Another synonymous phrase could be "getting set", "prepping" or "getting things in order". Other similar phrases might include "gearing up", "readying oneself", or "getting dressed". Each of these phrases essentially means preparing for an upcoming situation or event, whether it's physical or mental preparation. The phrase that's chosen will depend on the specific context and tone of the situation. Nonetheless, there are many ways to express the same idea that one is getting ready for something that is about to happen.