ADJECTIVE (1)

1. as it seems at first sight;
- Example: "a prima facie case of murder"


ADVERB (1)

1. at first sight;

The Collaborative International Dictionary of English v.0.48:

Prima facie \Pri"ma fa"ci*e\ [L., from abl. of primus first +
   abl. of facies appearance.]
   At first view; on the first appearance.
   [1913 Webster]

   Prima facie evidence (of a fact) (Law), evidence which is
      sufficient to establish the fact unless rebutted.
      --Bouvier.
      [1913 Webster]

WordNet (r) 3.0 (2006):

prima facie
    adv 1: at first sight
    adj 1: as it seems at first sight; "a prima facie case of
           murder"