Ju·da·ize v. i. [imp. & p. p. Judaized p. pr. & vb. n. Judaizing ] To conform to the doctrines, observances, or methods of the Jews; to inculcate or impose Judaism.
They . . . prevailed on the Galatians to Judaize so far as to observe the rites of Moses in various instances.
They were Judaizing doctors, who taught the observation of the Mosaic law. --Bp. Bull.