The Collaborative International Dictionary
Annunciatory
Annunciatory \An*nun"ci*a*to*ry\, a. Pertaining to, or containing, announcement; making known.
Wiktionary
annunciatory
a. In the nature of an announcement
WordNet
annunciatory
adj. relating to the act of announcing or being announced
Usage examples of "annunciatory".
Outside, night was collapsing rather theatrically into day, big storm scene blowing still at the window, lashings of rain, windy monologues, lightning's annunciatory crack -- all FX, no plot.
As you have remarked, my talents tended more to the, ahem, acquisitive and the annunciatory.