Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
tăbŭlātĭo, ōnis, f. [tabula], a planking or flooring over; a floor or story: ne tela tabulationem perfringerent, Caes. B. C. 2, 9: complures theatrorum ligneorum, Vitr. 5, 5 fin.