Here's what rhymes with astonished.
admonished Words that almost rhyme with astonished
monist palmist wannest fawnest patronised tobacconist polished tarnished abolished sonnet garnished possit ravished varnished untarnished convict demolished locket starlit unvarnished frolicked hornet plaudit rollicked spotlit bollixed conflict deposit impoverished forfeit cockpit varmint comfit placekicked accomplished conscript quartette goddammit grommet horseshit frostbit supermarket aftermarket unaccomplished recommit hypermarket downmarket