set off (
http://definr.com/set off)
v 1: actuate; "trigger a reaction" [syn:
trip,
actuate,
trigger,
activate,
spark off,
spark,
trigger off, {touch
off}]
2: leave; "The family took off for Florida" [syn:
depart,
part,
start,
start out,
set forth,
set out,
take off]
3: direct attention to, as if by means of contrast; "This dress
accentuates your nice figure!" "I set off these words by
brackets" [syn:
bring out]
4: cause to explode; "We exploded the nuclear bomb" [syn:
explode,
detonate,
blow up]
5: make up for; "His skills offset his opponent's superior
strength" [syn:
cancel,
offset]
6: set in motion or cause to begin; "The guide set the tour off
to a good start"
7: provoke or stir up; "incite a riot"; "set off great unrest
among the people" [syn:
incite,
instigate,
stir up]