Synonyms of 'didactic'
1 instructiveDictionary, educational, enlightening
In totalitarian societies, art exists solely for didactic purposes.
2 pedanticDictionary, academic, formal
He adopts a lofty, didactic tone when addressing women.
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Someone who is bookish spends a lot of time reading serious books.
a bookish socialist
If you describe something as edifying, you mean that it benefits you in some way, for example by teaching you about something.
the reading of edifying literature
Thesaurus for didactic from the Collins English Thesaurus
Something that is didactic is intended to teach people something, especially a moral lesson .