назидательный
didascalicus [a, um]
значок
nota [ae, f]
целесообразный
rationalis [e];
conducibilis
skepsis [eos / is, f];
scepticismus [i, m];
scepticorum methodus [i, f];
dubitativa ratio [onis, f] , veritatis absolutae rejectio [onis, f] , sceptica ratio;
incredulitas [atis, f] , incredulus animus [i, m];
diffidentia [ae, f];