overimagine

over- +‎ imagine

overimagine (third-person singular simple present overimagines, present participle overimagining, simple past and past participle overimagined)

1. (transitive) To imagine with excessively elaborate detail, or in an exaggerated fashion.
   • 2015 July 17, Boris Fishman, “‘The Pinch,’ by Steve Stern”, in New York Times‎:

     There is no era he can’t over-research, no scene he can’t overimagine, no digression he can resist and no sentence he can’t sag with too many words — “furbelowed,” “putti,” “ viaticum,” “myrmidons” — you don’t know.