S / substantĭālis
adjective

substantĭālis

neut. substantĭāle
substantia.
belonging to the essence; substance; essential
Lit., of or belonging to the essence or substance, essential, substantial (post - class.): differentia, Tert. Res. Carn. 45 fin.
substantial; substantive; essentially by extension
Transf., substantial, substantive: potestates, i. e. spirits, Amm. 21, 1, 8.—Adv.: sub-stantĭālĭter, essentially, substantially, Tert. adv. Valent. 7, 4; id. adv. Marc. 35 fin.