I.to be amazed at or on account of, to be astonished at (rare, and mostly poet.; “perh. not before the Aug. per.): Adstupet ipse sibi,” Ov. M. 3, 418: “Cui fida manus proceresque socerque Adstupet oranti,” Stat. Th. 3, 406: “divitiis,” Sen. Tranq. Vit. 1, 8; Sid. Ep. 5, 5.—Of inanimate things: “nemus adstupet,” Stat. Th. 2, 13.
a-stŭpĕo (ads- , Merk.), ēre, v. n.,