Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
părātĭo, ōnis, f. [1. paro], a preparing, getting, procuring (rare for comparatio; not in Cic.): nulla inest paratio, Afran. ap. Non. 219, 27: rerum, Dig. 30, 1, 39 fin.: regni, a striving after sovereignty, Sall. J. 31, 7.