Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
sensŭālis, e, adj. [2. sensus], endowed with feeling or sensation, sensitive, sensual (post-class.), App. Trism. p. 80, 16; Tert. Anim. 43; Prud. στεφ. 10, 346.
Adv.: sensŭālĭter, in a sensual manner, carnally, Claud. Mam. Stat. An. 2, 12.