The Collaborative International Dictionary
paideutics
paideutics \pai*deu"tics\ (p[asl]*d[=u]"t[i^]ks), n. [Gr. paideytikh`, fr. paidey`ein to teach, fr. pai^s, paido`s, a boy.] The science or art of teaching.
Wiktionary
paideutics
n. (context dated English) The science or art of teaching.