To predict according to present indications or signs; foretell. See Synonyms at predict.(verb-transitive)
To foreshadow; portend: urban renewal that prognosticates a social and cultural renaissance. (verb-transitive)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "prognosticate" in a sentence
"One of the most distressing developments in journalism is this need to "prognosticate" the reaction of others."
"It looks like Rivers is doing just fine, but again, I think this serves as an admonishment to people (like me) who think they can prognosticate."
"For the first time in months he's inspired, ready to prognosticate the way he used to before it all started to seem a bit hollow."