A heroic exploit is an act of courage or bravery, often in the face of danger. The term can be broken down into three parts: GEST (4 letters), DEED (4 letters), and GESTE (5 letters). GEST is a noun meaning 'a dramatic gesture or action, ' while DEED is a noun meaning 'an action or DEED, especially a brave or noble one.' GESTE is a noun meaning 'a heroic DEED or act.' Together, these three words form the phrase 'heroic exploit, ' which describes an act of courage or bravery.