verb, -ized, -iz⋅ing.| 1. | to make Roman Catholic. |
| 2. | (often lowercase ) to make Roman in character. |
| 3. | (often lowercase ) to render in the Latin alphabet, esp. a language traditionally written in a different system, as Chinese or Japanese. |
| 4. | to conform to Roman Catholic doctrine and practices; to become Roman Catholic. |
| 5. | (often lowercase ) to follow Roman practices. |