Word forms: itineraries plural. countable noun. An itinerary is a plan of a trip, including the route and the places that you will visit. The next place on our itinerary was Sedona.
2 activate, embark upon, engender, enter upon, get going, get (something) off the ground (informal) get the ball rolling, initiate, instigate, kick off (informal) kick-start, make a beginning, open, originate, put one's hand to the plough (informal) set about, set in motion, set the ball rolling, start the ball rolling ...
The Latin word dies means day, and diurnus means of a day. From the word diurnus came the early French jour, meaning day, and journee, meaning a day's work, a day's travel. Journee was borrowed into Middle English with both of its meanings, but only the second one, a day's travel, came into widespread use.
To hit the road means to start a journey or to leave. It can also be used in normal, daily life when you decide it's time for you to go home ?. For example: “We have to be there by 10 am, so we're hitting the road early tomorrow” or “I've been here long enough, it's time I hit the road”.