Etymology: (1175–1225; ME: to part company, divide, split < OF departir=de-de - +partir to go away)
Definition of 'depart'
Princeton's WordNet
1. (verb)go, go away, depart move away from a place into another direction "Go away before I start to cry"; "The train departs at noon"
2. (verb)deviate, vary, diverge, depart be at variance with; be out of line with
3. (verb)depart, part, start, start out, set forth, set off, set out, take off leave "The family took off for Florida"
4. (verb)depart, take leave, quit go away or leave
5. (verb)leave, depart, pull up stakes remove oneself from an association with or participation in "She wants to leave"; "The teenager left home"; "She left her position with the Red Cross"; "He left the Senate after two terms"; "after 20 years with the same company, she pulled up stakes"
6. (verb)sidetrack, depart, digress, straggle wander from a direct or straight course
4. (verb)depart to go forth or away; to quit, leave, or separate, as from a place or a person; to withdraw; -- opposed to arrive; -- often with from before the place, person, or thing left, and for or to before the destination
5. (verb)depart to forsake; to abandon; to desist or deviate (from); not to adhere to; -- with from; as, we can not depart from our rules; to depart from a title or defense in legal pleading