Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
* auctĭōnălis, e, adj. [auctio], of or pertaining to an auction; hence, subst.: auctĭōnālĭa, ium, n., catalogues of auction sales, Dig. 27, 3, 1, § 3 (others, actionalia).