WordNet sense 1 (be at variance with; be out of line with):

deviate, diverge, vary, deviate

WordNet sense 2 (remove oneself from an association with or participation in):

leave, pull up stakes

WordNet sense 3 (wander from a direct or straight course):

digress, sidetrack, straggle

WordNet sense 4 (leave):

part, start, set forth, take off, set off, set out, start out

WordNet sense 5 (go away or leave):

quit, take leave

WordNet sense 6 (move away from a place into another direction):

go, go away