Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
* amplo, āre, v. a. [amplus], old form for amplifico, to extend, enlarge; trop., to make glorious: qui causam humilem dictis amplent, Pac. ap. Non. p. 506, 26 (Trag. Rel. p. 120 Rib.).