debar (
http://definr.com/debar)
v 1: bar temporarily; from school, office, etc. [syn:
suspend]
2: prevent the occurrence of; prevent from happening; "Let's
avoid a confrontation"; "head off a confrontation"; "avert
a strike" [syn:
obviate,
deflect,
avert,
head off,
stave off,
fend off,
avoid,
ward off]
3: prevent from entering; keep out; "He was barred from
membership in the club" [syn:
bar,
exclude]