"Admissible evidence" refers to any information or proof that a court allows to be presented during a trial or legal proceeding. It must meet certain rules and criteria to be considered valid and reliable in court. Full definition
A federal magistrate judge, for example, doesn't need three cases to understand that Federal Rule of Civil Procedure 26 (b) permits a party to discover «any nonprivileged matter that is relevant to any party's claim or defense» or information that «appears reasonably calculated to lead to the discovery of admissible evidence.» (lawyerist.com)
Thanks to Governor Jerry Brown, illegal immigration status can no longer be used as admissible evidence in court during personal injury or wrongful death cases. (wilshirelawfirm.com)
To do so, they will have to rely on admissible evidence the police have collected against you and put it to the judge in a manner that follows certain rules (or the «rules of evidence»). (scottwilsondefence.com)