1. ridicule   LAMENT   FATHOM   LAMPOON   INSTIGATE   Hint Half-n-half Clue   2. provoke   HAMPER   GAINSAY   INSTIGATE   LAMENT   Half-n-half Clue   3. attribute to someone   IMPUTE   INSTIGATE   INDICT   FACILITATE   Half-n-half Clue   4. lose vitality   LANGUISH   INDUCE   FACILITATE   INTERVENE   Half-n-half Clue   5. weaken   INTERVENE   IMPUTE   GAINSAY   IMPAIR   Half-n-half Clue   6. stir up   LAMENT   IMPEDE   INVERT   INCITE   Half-n-half Clue   7. obstruct   INDUCE   LAMPOON   HAMPER   INTIMIDATE   Half-n-half Clue