Lewis & Short

in-tŭĕor, ĭtus, 2, v. dep. (in tmesi: inque tueri, Lucr. 4, 713; archaic form indo tuetur, Enn. ap. Non. 378, 18 = Ann. 73 Vahl.; and intuor, Plaut. Most. 3, 2, 150; Ter. Heaut. 2, 4, 23; Turp. ap. Non. 470, 30; Sen. Hippol. 898, and in the act. form intŭo, ĕre, Commod. 31, 1; 39, 5), to look at, upon, or towards (syn.: adspicio, contemplor, specto).

  1. I. Lit., constr. with simple acc., or in and acc.
          1. (α) With simple acc.: terram intuens modeste, Ter. Eun. 3, 5, 32: solem, Cic. Rep. 6, 18, 19; id. Tusc. 1, 30, 73: aliquid oculis, id. Fam. 5, 17, 4: ornamenta rei publicae, id. Prov. Cons. 9, 22: cum intueor et contemplor unumquemque vestrum, id. Planc. 1: huc atque illuc, id. de Or. 1, 40: lasciviam piscium, Pac. ap. Cic. Div. 1, 14, 24: terram, Cic. Cat. 3, 5, 13: me omnes intueri, id. Ac. 2, 19, 63: ora omnium atque oculos, id. Mil. 16, 42: quid, ut noverca, me intueris? Hor. Epod. 5, 9: faciem alicujus, Nep. Ages. 8, 1: caelum, Suet. Aug. 17: nutum illius diligenter, to watch, Cic. Tusc. 5, 21, 61.
            Of situation: cubiculum montes intuentur, Plin. Ep. 5, 6, 28.
          2. (β) With in and acc.: in speciem rerum intuens, Cic. Univ. 10: in te intuens, id. Brut. 97, 331.
  2. II. Trop.
    1. A. Of the mind, to regard, observe, contemplate, consider, give attention to.
          1. (α) With acc. (so most freq.): ut tota mente Crassum atque omni animo intueretur, Cic. de Or. 2, 21, 89; cf.: intentis oculis omnes rei publicae partes, id. Agr. 2, 28: voluntatem eorum qui audiunt, id. Or. 8, 24: mentis acies seipsam intuens, id. Tusc. 1, 30: oratores, id. de Or. 1, 34, 156: potius, quid se facere par esset, intuebatur, quam quid alii laudaturi forent. he regarded more, had more respect for, Nep. Att. 9, 5; cf. id. Them. 7, 6: rationem, Quint. 3, 6, 83; 3, 8, 35 al.: tempestatem impendentem, Cic. Sest. 9: id ille intuens, Nep. Alcib. 4, 1.
            In pass. part.: intuendum quid affectet quisque, Quint. 5, 10, 28: non tam veteranos intuendos nobis, Cic. Phil. 11, 15, 39.
          2. (β) With adv.: quo intuens, Cic. de Or. 1, 34, 145.
          3. (γ) With in and acc.: in summos homines, Cic. de Or. 1, 2, 6: tu in tuā mtuens te continebis, id. Tusc. 2, 13, 31: in aliquod majus malum, id. ib. 3, 13, 28; id. Univ. 10 init.; Plin. Pan. 58, 8.
          4. (δ) With ad (rare): ad finiendum bellum, Liv. 36, 45.
    2. B. Esp., to regard with admiration, admire, wonder at: Graeci sic te intuebuntur, ut quendam ex annalium memoria esse delapsum putent, Cic. ad Q. Fr. 1, 1, 2, § 7: sicut aliquem de caelo delapsum, id. de Imp. Pomp. 14, 41.
      Note: intueri, in pass. sense, Amm. 23, 5, 13.