What is Prima Facie Evidence?

Legal Definition
An evidence that is (1) an established fact but not conclusive, or (2) supportive of a judgement until the presentation of contradictory evidence.
Legal Definition
Evidence good and sufficient on its face; such evidence as, in the judgment of the law, is sufficient to establish a given fact, or the group or chain of facts constituting the party's claim or defense, and which if not rebutted or contradicted, will remain sufficient. Crane v. Morris, 6 Peti 6ll, 8 LEd. 514; State v. Burungame, 146 Mo. 207, 48 S. W. 72; State v. Roten, 86 N. C. 701; Blough v. Parry, 144 Ind. 463, 43 N. E. 560. Evidence which suffices for the proof of a particular fact until contradicted and overcome by other evidence. Code Civ. Proc. Cal. 1903, ยง 1833. Evidence which, standing alone and unexplained, would maintain the proposition and warrant the conclusion to support which it is introduced. Emmons v. Bank, 07 Mass. 230. An inference or presumption of law, affirmative or negative of a fact, in the absence of proof, or until proof can be obtained or produced to overcome the inference. People v. Thacher, 1 Thomp. & C(N. Y.) 167.
-- Black's Law Dictionary
Legal Definition
Such evidence as in law sufficient to establish the fact, and, if not rebutted, remains sufficient for the purpose. See 6 Pet. (U. S.) 622, 8 L. Ed. 523.
-- Ballentine's Law Dictionary