instructional; instructive (especially excessively)
The novel had a somewhat didactic tone about morality.
Vocabulary like didactic appears on the Digital SAT in Words-in-Context questions, where you choose the word that fits a passage's meaning and tone. You can also drill this word with vocabulary flashcards.
harmful; (sometimes followed by to?) causing harm or injury
stray; turn aside; turn away from
plan; come up with an idea, plan, explanation, theory, or principle after mental effort
scheming; indirect in departing from the accepted or proper way; misleading
plan; come up with an idea, plan, explanation, theory, or principle after mental effort
dedicate; give entirely to a specific person, activity, or cause
identification; identifying the nature or cause of some phenomenon
division; being twofold; a classification into two opposed parts or subclasses