Webster's Revised Unabridged Dictionary · 1913

Romanize

Romanize , transitive verb

1.
To Latinize; to fill with Latin words or idioms. [Rare] — Dryden
2.
To convert to the Roman Catholic religion.

Romanize , intransitive verb

1.
To use Latin words and idioms.
Apishly Romanizing. — Milton
2.
To conform to Roman Catholic opinions, customs, or modes of speech.