Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
mōbĭlĭto, 1, v. a. [mobilis], to make movable, to make quick (ante-class.): omnia mobilitantur, Lucr. 3, 248: laetitia me mobilitat, Caecil. ap. Non. 4, 346, 14: mobilitatā mente, Laber. ap. Non. 137, 27 (Com. Rel. v. 91 Rib.).