Also, especially British, a⋅nath⋅e⋅ma⋅tise.
Origin: 1560–70; (< MF) < LL
anathematizāre to put under the ban, curse, detest < Gk
anathematízein to bind by a curse, make accursed, equiv. to
anathemat- (s. of
anáthema) +
-izein -ize 
Related forms: a⋅nath⋅e⋅ma⋅ti⋅za⋅tion, noun
a⋅nath⋅e⋅ma⋅tiz⋅er, noun
[uh-nath-uh-muh-tahyz] 
verb, -tized, -tiz⋅ing.