gentilize

Century Dictionary and Cyclopedia

1. To render gentle, polite, or gentlemanly; raise to the rank of gentlemen.
2. To live like a gentile, or like a heathen.
3. To play the gentleman. Norden, Surveyor's Dialogue (1608).

Wiktionary

1. v. To render gentile or gentlemanly.

GNU Webster's 1913

1. v. obsolete To live like a gentile or heathen.
2. v. obsolete To act the gentleman; -- with it (see It, 5).
3. v. rare To render gentile or gentlemanly.