The word "preannounced" can be replaced with several other words that convey the same meaning. One popular synonym is "pre-announced," which is a hyphenated version of the original word. Other synonyms include "pre-scheduled," "pre-planned," "pre-determined," and "pre-declared." Each of these words implies that something has been announced or communicated in advance, allowing people to prepare for it and anticipate its arrival. Using synonyms helps to add variety to writing and to convey the intended meaning more clearly. Whether you prefer to use the word "preannounced" or one of its various synonyms, make sure to choose the word that best fits the context of your writing.