pri ‧ ma fa ‧ cie /ˌpraɪmə ˈfeɪʃi $ -ʃə/ BrE AmE adjective [only before noun] law
[ Date: 1400-1500 ; Language: Latin ; Origin: 'at first appearance' ]
based on what seems to be true when you first consider a situation, even though it may later be proved to be untrue:
prima facie evidence
a prima facie case of professional misconduct