Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
contemplo, āvi, ātum, 1, v. a. (anteand post-class.; collat. form of contemplor), to survey, behold, observe, consider, contemplate, etc.; freq. in imper.: adspecta et contempla, Epidice, Plaut. Ep. 5, 1, 16: contempla et templum Cereris ad laevam aspice, Enn. ap. Varr. L. L. 7, § 9 Müll.; id. ap. Non. p. 470, 5; Att. and Titin. ib. p. 469, 31, and 470, 2; Plaut. Mil. 4, 2, 38 al.: contemplo placide formam et faciem virginis, Naev. ap. Non. p. 469, 33; Plaut. Am. 1, 1, 285; id. As. 3, 1, 35; id. Trin. 4, 2, 21 al.
With inf., Nemes. Fragm. de Aucup. 3, p. 49 Stern.