The term 'begin a journey' can be expressed in several ways, including the crossword solutions 'EMBARK, ' 'setoff, ' 'setout, ' 'strikeo, ' and 'setforth.' All of these words mean to start a journey, either by setting out on foot or by boarding a vehicle. EMBARK is derived from the Latin word for 'to enter a ship, ' while setoff and setout are more general terms for starting a journey. Strikeo is an archaic term meaning to set off on a journey, while setforth is a more formal way of saying the same thing.