papalize

Century Dictionary and Cyclopedia

1. To make papal; imbue with papist doctrines or nations.
2. To become a papist; conform to popery.
3. Also spelled papalise.

Wiktionary

1. v. intransitive To conform to popery.

GNU Webster's 1913

1. v. rare To make papal.
2. v. To conform to popery.