rătĭōnālis, e, adj. [ratio].
I Of or belonging to accounts (post-Aug.): LITTERAE, Inscr. (a. p. Chr. 193) Orell. 39.—Hence, subst.
α rătĭōnālis , is, m., an accountant , receiver of revenue , treasurer , Lampr. Alex. Sev. 45; 46; Capitol. Gord. 7; Commod. ap. Capitol. Albin. 2; Amm. 15, 3, 4; Inscr. Orell. 1090.—
β rătĭōnāle , is, n., the oracular breastplate of the Jewish highpriest, Vulg. Exod. 25, 7; id. Lev. 8, 8; also called rationale judicii (transl. of LXX. τὸ λογεῖον τῆς κρίσεως), id. Exod. 28, 15.—
II Of or belonging to reason , reasonable , rational , endowed with reason : falsa est (finitio), si dicas, Equus est animal rationale: nam est equus animal, sed irrationale, Quint. 7, 3, 24: homo est animal rationale, id. 5, 10, 56; cf. id. 5, 8, 7; and: nec si mutis finis voluptas, rationalibus quoque: quin immo ex contrario, quia mutis, ideo non rationalibus, id. 5, 11, 35; so without a subst.: a rationali ad rationale (translatio), id. 8, 6, 13.—
B Reasonable , depending on reason : in causā rationali, Auct. Her. 2, 12, 18: philosophia, i. e. logic , Sen. Ep. 89, 17; also called rationalis pars philosophiae, Quint. 12, 2, 10: disciplina, i. e. theoretical science (opp. to usus and experimenta), Cels. praef.; also ars, id. ib.; hence, rationalis medicina, theoretical therapeutics ; and rationales medici, medical theorists , id. ib.—
2 In rhet., i. q. ratiocinativus, of or belonging to a syllogism , syllogistic : genus (quaestionum), Quint. 3, 5, 4; 6, 54; 78; 86; cf. status, id. 3, 6, 56; 66.— Hence, adv.: rătĭōnālĭter , in a reasonable manner , reasonably , rationally , Sen. Ep. 109; Tert. Anim. 16 al.