be·gone 
(bĭ-gôn, -gŏn)
(bĭ-gôn, -gŏn)v.
Used chiefly in the imperative to express an order of dismissal.
[Middle English begone : be, imperative of ben, to be; see BE + gone, past participle of gon, to go; see GO1.]
- postponement
- postpose
- postposition
- postpositional
- postpositionally
- postpositive
- postpositively
- postprandial
- postprandially
- postproduction
- postscript
- PostScript
- postseason
- poststructuralism
- postsynaptic
- postsynaptically
- posttest
- post time
- posttranscriptional
- posttransfusion
- posttranslational
- posttraumatic
- posttraumatic stress disorder
- postulancy
- postulant