clarify; make clear and (more) comprehensible
The teacher would elucidate the difficult math concepts carefully.
Vocabulary like elucidate 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.
add detail or complexity
make happy; fill with high spirits; fill with optimism
lament; a mournful poem; a lament for the dead
evoke; call forth (emotions, feelings, and responses)
completely remove or get rid of
believing in superiority of few
fluency; powerful and effective language
expressive and persuasive in speech
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