Pro-rogations refer to postponing or extending a legislative session, and some antonyms for this word include abridgement, curtailment, and abbreviation. When a legislative session is shortened, it is known as an abridgement. Conversely, when a session is extended, it is called a pro-rogation. Curtailment is another antonym for pro-rogations, and it refers to the reduction or cutting back of the session. Additionally, abbreviation refers to a briefening of the session. These antonyms illustrate the contrast between pro-rogations and actions that reduce or limit the legislative session's time frame.