1a: designed or intended to teach b: intended to convey instruction and information as well as pleasure and entertainment.
2: making moral observations.
– didactical, adjective.
– didactically, adverb.
– didacticism, noun.
[Origin: Greek didaktikos, from didaskein to teach.}
“King Rat’s London snarl had assumed a didactic tone. “Pay attention, ratling. This here is the entrance to your ceremonial abode.” – King Rat, China Miéville.