THESAURUS
Astonish
affright, alarm, amaze, ambush, astound, awe, awestrike, bedaze, bedazzle, bewilder, boggle, bowl down, bowl over, bushwhack, catch off-guard, catch unawares, come from behind, come upon unexpectedly, confound, daze, dazzle, do the unexpected, drop in on, dumbfound, dumbfounder, flabbergast, floor, overwhelm, paralyze, perplex, petrify, pounce upon, pull up short, shock, spring a surprise, spring upon, stagger, startle, strike dead, strike dumb, strike with wonder, stun, stupefy, surprise, take by surprise, take short, take unawares, terrify
ROGET THESAURUS
Astonish
Wonder
VB
wonder, marvel, admire, be surprised, start, stare, open one's eyes, rub one's eyes, turn up one's eyes, gloar, gape, open one's mouth, hold one's breath, look aghast, stand aghast, stand agog, look blank, tombe des nues, not believe one's eyes, not believe one's ears, not believe one's senses, not be able to account for, not know whether one stands on one's head or one's, surprise, astonish, amaze, astound, dumfound, dumfounder, startle, dazzle, daze, strike, strike with wonder, strike with awe, electrify, stun, stupefy, petrify, confound, bewilder, flabbergast, stagger, throw on one's beam ends, fascinate, turn the head, take away one's breath, strike dumb, make one's hair stand on end, make one's tongue cleave to the roof of one's mout, make one stare, take by surprise, be wonderful, beggar description, beggar the imagination, baffle description, stagger belief.
Inexpectation
VB
not expect, be taken by surprise, start, miscalculate, not bargain for, come upon, fall upon, be unexpected, come unawares, turn up, pop, drop from the clouds, come upon one, burst upon one, flash upon one, bounce upon one, steal upon one, creep upon one, come like a thunder clap, burst like a thunderclap, thunder bolt, take by surprise, catch by surprise, catch unawares, catch napping, yach, pounce upon, spring a mine upon, surprise, startle, take aback, electrify, stun, stagger, take away one's breath, throw off one's guard, astonish, dumbfound.