HERETICATE
Etymology
Verb
hereticate (third-person singular simple present hereticates, present participle hereticating, simple past and past participle hereticated)
(transitive) To denounce as heresy or a heretic.
If that great Chancellor of Paris were now alive, he would freely teach his Sorbonne, as he once did, that it is not in the Pope's power, that I may use his own word, to hereticate any proposition.
Source: Wiktionary
He*ret"i*cate, v. t. Etym: [LL. haereticatus, p. p. of haereticare.]
Definition: To decide to be heresy or a heretic; to denounce as a heretic
or heretical. Bp. Hall.
And let no one be minded, on the score of my neoterism, to hereticate
me. Fitzed. Hall.
Source: Webster’s Unabridged Dictionary 1913 Edition