Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
ex-augĕo, ēre, v. a., to increase exceedingly (rare): amplius, Enn. ap. Fest. p. 193 Müll. (Ann. v. 270 ed. Vahlen): benefacta majorum tuorum exauge, Plaut. Stich. 2, 1, 9; ib. 32: opinionem, Ter. Heaut. 2, 2, 3.