forejudge

/fɔrˈdʒʌdʒ/
verb
  1. To judge or form an opinion about someone or something before having enough information; to prejudge.
    • Try not to forejudge the outcome of the experiment before all the data is collected.
    • It's easy to forejudge a book by its cover, but you might miss a great story.
    • She warned the jury not to forejudge the defendant based on rumors.