unacquainted Antonyms

had prior information already aware around the block not born yesterday well-versed worldly wise streetwise media-savvy all ears knowledgeable already cognizant already hip to the fact had previous awareness of had previous awareness had knowledge of already notified already know that already know already informed of already informed already in the know accustomed to urbane suave experienced educated cultured cultivated conversant conscious cognizant aware acquainted familiar familiarized sophisticated refined polished mature knowing initiated informed great forewarned abreast