Although "prorogated" is not a commonly used word in everyday speech, its antonyms are still important to know. Prorogation refers to the action of suspending or discontinuing a meeting or session, therefore its antonyms are words that refer to starting or continuing a session. Some antonyms of prorogated include "commenced," "convened," "initiated," "resumed," and "continued." These words suggest the opposite meaning of prorogated, which is to keep a meeting or session in progress. In today's world, where conference calls, online meetings, and webinars have become commonplace, having a vast and varied vocabulary can be very useful.