[1] : WordNet (r) 2.0

keep out
     v : prevent from entering; shut out; "the trees were shutting
         out all sunlight"; "this policy excludes people who have
         a criminal record from entering the country" syn: exclude,
          shut out, shut ant: admit
see also:
exclude shut out shut admit 

[2] : Moby Thesaurus II by Grady Ward, 1.0

29 moby thesaurus words for "keep out":
   ban, bar, bar out, blockade, count out, cut off, debar, detain,
   embargo, exclude, freeze out, hold, hold back, ignore, keep,
   leave out, lock out, omit, ostracize, pass over, preclude,
   prohibit, reject, relegate, repudiate, send to coventry, shut out,
   taboo, withhold

Bale Out >> B Words
Bale Out, definition of term: Bale Out
bale+out_pag1.html

Bawl Out >> B Words
Bawl Out, definition of term: Bawl Out
bawl+out_pag1.html

Bail Out >> B Words
Bail Out, definition of term: Bail Out
bail+out_pag1.html

Back Out >> B Words
Back Out, definition of term: Back Out
back+out_pag1.html

Air Out >> A Words
Air Out, definition of term: Air Out
air+out_pag1.html

Ask Out >> A Words
Ask Out, definition of term: Ask Out
ask+out_pag1.html

Act Out >> A Words
Act Out, definition of term: Act Out
act+out_pag1.html