As = According as. This corresponds with the "so" of Isa_52:15 (not with the "so" in the next clause, which is parenthetic).
astonied: corresponding with the word rendered "sprinkle" in Isa_52:15. From Old English estonner. Nine times so spelled, from Wycliff and Geneva Bible. Chaucer spells it "astoned"; Spenser, "astownd".
so marred: pointing to the depth of the humiliation, as set forth in detail in Isa_53:4-10. Compare Mat_26:67, Mat_26:68; Mat_27:27-30.
any man. Hebrew. 'ish. Compare Psa_22:6, "I am a worm, and no man".