The term 'address aggressively' can be summarized by the crossword solution 'ACCOST, ' which is a 6-letter word. ACCOST is defined as to confront or approach someone boldly or aggressively, often with hostile intent. It is derived from the Latin verb accostare, meaning 'to stand near.' Accosting someone is often seen as a form of harassment and can be considered a criminal offense in some jurisdictions.