Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
ōtĭor, ātus, 1, v. dep. [otium], to have or enjoy leisure, to be at leisure, to keep holiday (rare but class.): cum se Syracusas otiandi, non negotiandi causā contulisset, * Cic. Off. 3, 14, 58: domesticus otior, I idle about at home, Hor. S. 1, 6, 128.