Webster's Revised Unabridged Dictionary · 1913

Gentilize

Gentilize , intransitive verb

[See Gentile.]

1.
To live like a gentile or heathen. [Obsolete] — Milton
2.
To act the gentleman; -- with it (see It, 5). [Obsolete]

Gentilize , intransitive verb

To render gentile or gentlemanly; as, to gentilize your unworthy sones. [Rare] — Sylvester