Strange things. ξενίζειν, in this use of it, means to act or play the foreigner, to imitate the manners and language and appearance of a foreigner ( ξένος), just as ἰουδαίζειν ἐλληνίζειν αττικίζειν, etc.
, mean to Judaize, Hellenize, Atticize, etc. Here, then, the Athenians say that St. Paul's doctrines have a foreign air, do not lock like native Athenian speculations.