1) Agape 2) A gasp 3) Aghast 4) Amazed 5) Astonied 6) Astonished 7) Astounded 8) Awed 9) Awestruck 10) Bewildered 11) Confused 12) Dazed 13) Donnard 14) Givenajolt 15) Gobsmacked 16) Horrified 17) In a daze 18) Inawe 19) Jolted 20) Kayoed 21) Knocked for a loop 22) Surprised 23) Unconscious 1) Amazed 2) Astonied 3) Astonished 4) Astounded 5) Blown away 6) Bowled over 7) Dazed or amazed 8) Gobsmacked 9) In a daze 10) In awe 11) In shock 12) Knocked for a loop 13) Knocked for six 14) More than surprised 15) Shocked 16) Staggered 17) Surprised 
• (imp. & p. p.) of Stun
Stunned is Australian and New Zealand slang for drunk.