Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
pompālis, e, adj. [pompa], showy, pompous, splendid (post-class.): vultus, Capitol. Gord. 6.
Adv.: pompālĭter, splendidly, pompously, etc.: ornatus, Treb. Gallien. 8 (al. pompabiliter).