Wiktionary
rationall
a. (obsolete form of rational English)
Usage examples of "rationall".
Having therefore thus arrived at two maximes of humane Nature, the one arising from the concupiscible part, which desires to appropriate to it selfe the use of those things in which all others have a joynt interest, the other proceeding from the rationall, which teaches every man to fly a contre-naturall Dissolution, as the greatest mischiefe that can arrive to Nature.