"High old times" is a phrase that is often used to describe an enjoyable period of time, typically involving merriment and good company. However, there are several other synonyms that can also describe such moments. Words like "festive," "jovial," "ebullient," "lively," and "thrilling" could be used to describe a good time had. Other alternatives include "entertaining," "convivial," "exhilarating," and "jolly." All these words convey a sense of excitement, happiness, and joy that comes with spending quality time with loved ones, engaging in fun activities or attending a great event. Whatever synonym you decide to use, the most important thing is to enjoy and cherish those moments.