1. (verb)suspend, debar bar temporarily; from school, office, etc.
2. (verb)debar, forefend, forfend, obviate, deflect, avert, head off, stave off, fend off, avoid, ward off prevent the occurrence of; prevent from happening "Let's avoid a confrontation"; "head off a confrontation"; "avert a strike"
3. (verb)bar, debar, exclude prevent from entering; keep out "He was barred from membership in the club"