| esoteric(sound, knowledgeable, cultured, educated, erudite) |
| experienced(knowledgeable, cultured, educated, erudite, enlightened) |
| expert(knowledgeable, cultured, educated, erudite, enlightened) |
| grave(sound, knowledgeable, cultured, educated, erudite) |
| grounded(knowledgeable, witting, cultured, educated, erudite) |
| highbrow(knowledgeable, cultured, educated, erudite, enlightened) |
| in the know(expression, idiom, sound, knowledgeable, cultured) |
| intellectual(sound, knowledgeable, cultured, educated, erudite) |
| judicious(knowledgeable, cultured, educated, erudite, scholarly) |
| literary(sound, knowledgeable, cultured, educated, erudite) |
| omniscient(knowledgeable, cultured, educated, erudite, enlightened) |
| pedantic(sound, knowledgeable, cultured, educated, erudite) |
| philosophic(sound, knowledgeable, cultured, educated, erudite) |
| philosophical(sound, knowledgeable, cultured, educated, erudite) |
| polymath(sound, knowledgeable, cultured, educated, erudite) |
| posted(knowledgeable, cultured, educated, erudite, enlightened) |
| professorial(sound, knowledgeable, cultured, educated, erudite) |
| profound |
| recondite(sound, knowledgeable, cultured, educated, erudite) |
| sage(knowledgeable, cultured, educated, erudite, enlightened) |