10.1 Types of changes Elevation / amelioration Sth Low, humble, unpleasant-ansth. Noble, agreeable, pleasant * Marshall Shrewd Angel Minister English lexicology(Ill)English lexicology (III) 6 10.1 Types of changes  Elevation / Amelioration Sth. Low, humble, unpleasant------sth. Noble, agreeable, pleasant  Marshall  Shrewd  Angel  Minister