philippize
To support or advocate the cause of Philip of Macedon; (more generally) to speak as someone who has been wrongly inspired or corrupted.
archaic, historical
I know they set him up as a sort of oracle; because, with the best intentions in the world, he naturally philippizes, and chaunts his prophetic song in exact unison with their designs.
Where it comes from
From Ancient Greek Φιλιππίζειν (Philippízein), from Φίλιππος (Phílippos), the name of Philip II of Macedon.
Adapted from the Wiktionary entry philippize (CC BY-SA 4.0).