preinform

/ˌpriːɪnˈfɔːrm/
verb
  1. To inform someone in advance; to give information to someone before something happens.
    • We should preinform the security staff before the VIP arrives.
    • The manager decided to preinform the team about the upcoming changes.
    • Please preinform the guests that the event has been rescheduled.
Antonyms
What does "preinform" mean? | whatsthatwordmean | whatsthatwordmean