as·ton·ish / əˈstänish/ • v. [tr.] surprise or impress (someone) greatly: you never fail to astonish me it astonished her that Mrs. Browing could seem so anxious. DERIVATIVES: as·ton·ish·ing·ly adv. an astonishingly successful program.

astonish †dumbfound, stun XV; amaze XVII. First in (Sc.) pp. astonist, prob. extension, with -ISH2, of pp. of †astonie, †astony (XIV–XVII), obscure var. of †astone, the pp. of which is the source of ASTOUND.

astonish •banish, clannish, mannish, Spanish, tannish, vanish •garnish, tarnish, varnish •replenish, Rhenish •Danish •cleanish, greenish •diminish, finish, Finnish, thinnish •swinish •admonish, astonish, donnish •Cornish •brownish, clownish, townish •buffoonish, cartoonish, soonish •Hunnish, nunnish, punish •maidenish • hoydenish • paganish •womanish • vixenish • kittenish •heathenish •burnish, furnish •longish, strongish •youngish •Lappish, snappish •dampish, scampish, trampish, vampish •sharpish • apish •cheapish, sheepish, steepish •blimpish, impish, wimpish •foppish • waspish • uppish •frumpish, grumpish, lumpish, plumpish •parish •cherish, perish •bearish, fairish, garish, squarish •nightmarish • Irish •moreish, whorish •flourish, nourish •nearish, queerish •sourish •boorish, Moorish •gibberish • Micawberish • vulturish •spiderish • vigorish • vinegarish •tigerish • ogreish • Quakerish •lickerish, liquorice (US licorice) •ochreish (US ocherish) •vapourish (US vaporish) • viperish •spinsterish • Pooterish • amateurish •feverish • liverish • impoverish •minxish • niceish • coarsish • closish