Set off (for some place) verb phrase
To leave a place, especially to start a journey
We're going to set off early tomorrow.
I'm planning to set off for China this July.
To leave at a favorable moment
Travel extensively and acquire a diverse range of experiences
1. To move or depart from some place in a very quick or hurried manner
2. To leave something or some place very lazily or reluctantly
To depart quickly and suddenly
I have to leave now.