There are many synonyms for the term "heroic poem" that have been used throughout history. One of the most well-known synonyms is "epic poem," which describes a long narrative poem that typically tells the story of a hero or heroic figure. Another synonym is "legendary tale," which refers to a story that is based on a real or fictional person or event, often focusing on their heroic deeds. Additionally, "saga" is another synonym used to describe lengthy narratives that detail the lives of heroic characters or events. Other synonyms for heroic poem include "myth," "ballad," and "folk tale," all of which describe stories that celebrate the bravery and heroism of their subjects.