WordNet (r) 3.0 (2006):

freeze out
    v 1: change from a liquid to a solid when cold; "Water freezes
         at 32 degrees Fahrenheit" [syn: freeze, freeze out,
         freeze down]

Moby Thesaurus II by Grady Ward, 1.0:

34 Moby Thesaurus words for "freeze out":
   ban, bar, bar out, blockade, chase out, count out, cut off, debar,
   drive out, drum out, embargo, exclude, force out, harry out,
   hunt out, ignore, keep out, leave out, lock out, omit, ostracize,
   pass over, preclude, prohibit, push out, reject, relegate,
   repudiate, rout out, run out, send to Coventry, shut out,
   smoke out, taboo