Sexuality without the stain of lust.
Chastity
Virtuous, pure from unlawful sexual intercourse, from O.Fr. chaste “morally pure,” from L. castus “pure, chaste.”
Dialectic
Dialectic, also known as the dialectical method, is a discourse between two or more people holding different points of view about a subject but wishing to establish the truth through reasoned argumentation.
Didactic
Intended to teach, particularly in having moral instruction as an ulterior motive.