ventriloquially

/ˌvɛntrəˈloʊkwiəli/
adverb
  1. In a way that relates to or involves ventriloquism; speaking so that the voice seems to come from somewhere else.
    • The comedian ventriloquially mimicked a conversation between two stuffed animals.
    • The performer spoke ventriloquially, making the puppet appear to be the one talking.
    • She could throw her voice ventriloquially across the room, fooling everyone.