1. hasten the progress of   EXPEDITE   DISTEND   DISSENT   EDIFY   Hint Half-n-half Clue   2. ornament   EMBELLISH   DOCUMENT   DISSEMINATE   ELUCIDATE   Half-n-half Clue   3. remove errors   DISTEND   EXPEDITE   EMEND   EDIFY   Half-n-half Clue   4. carry out   EXTRICATE   DOCUMENT   EXECUTE   DISPERSE   Half-n-half Clue   5. improve morally   EMULATE   DISSEMINATE   EDIFY   EMEND   Half-n-half Clue   6. spread widely   EMBELLISH   DISSEMINATE   EDIFY   EXTOL   Half-n-half Clue   7. use unfairly   EDIFY   EMULATE   ENGENDER   EXPLOIT   Half-n-half Clue