The term 'start off' can be broken down into three crossword solutions: LEAD (4 letters), EMBARK (6 letters), and STRIKEUP (8 letters). LEAD is a verb meaning to take the initiative and guide others, often in a leadership role. EMBARK is a verb meaning to begin a journey or undertaking. Finally, STRIKEUP is a verb meaning to initiate or begin something, usually with enthusiasm. All three words can be used to describe the act of starting off something.