Search Result for "apostatise": 
Wordnet 3.0

VERB (1)

1. abandon one's beliefs or allegiances;
[syn: apostatize, apostatise, tergiversate]



WordNet (r) 3.0 (2006):

apostatise
    v 1: abandon one's beliefs or allegiances [syn: apostatize,
         apostatise, tergiversate]