демонстрация
(de)monstratio [onis, f];
добровольный
voluntarius [a, um]
служение
diaconia [ae, f];
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];