Possible Clues:

• Seems as if one might deliver a blow, so that's all right
• (Of food) meeting Jewish dietary law
• Of food, conforming to Jewish dietary laws
• Stuns girl following strict rules
• Legitimate (Jewish food)
• Ritually pure
• Is it correct to start with a knockout?
• It's permitted to be the one that delivers the blow, it seems
• Ritually clean (food)
• Edible for Jew