Definition of abash:

part of speech: verb

To confuse with guilt; to make ashamed.

Usage examples:

• In the shade it sings and springs; in the shine such foam- bows flash On the horses with curling fish- tails, that prance and paddle and pash Round the lady atop in the conch- fifty gazers do not abash Though all that she wears is some weeds round her waist in a sort of a sash! Robert Swain Peabody in "Hospital Sketches".