How do you spell Stun

Available Definitions:
1)  v. t. - To make senseless or dizzy by violence; to render senseless by a blow, as on the head.
2)  v. t. - To dull or deaden the sensibility of; to overcome; especially, to overpower one's sense of hearing.
3)  v. t. - To astonish; to overpower; to bewilder.
4)  n. - The condition of being stunned.