Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
The word illustrabatur could not be parsed. Trying a normal dictionary lookup:
No entries found. Showing closest matches:
* illustrāmentum (inl-), i, n. [illustro], an embellishment, ornament of speech: pronuntiationis, Quint. 11, 3, 149.
* illustrātĭo (inl-), ōnis, f. [illustro], in rhetoric, vivid representation: insequetur ἐνάργεια, quae a Cicerone illustratio et evidentia nominatur, quae non tam dicere videtur quam ostendere, Quint. 6, 2, 32.
illustrātor (inl-), ōris, m. [illustro], an enlightener (post-class.): Deus illustrator rerum, Lact. 2, 9, 5; Inscr. Rein. cl. 6, 129.
illustrātus, ūs, m. [illustro], the dignity of an eminent man; respectability, Cod. Just. 3, 1, 13, § 8.