1. formal discourse or essay.   Hint First letter clue   2. medicine that causes vomiting.   First letter clue   3. proposition that follows without separate proof.   First letter clue   4. eye disorder leading to partial blindness; waterfall.   First letter clue   5. attrition by rubbing or disagreement.   First letter clue   6. disproportion or lack of balance.   First letter clue   7. working of the brain or thought.   First letter clue