The Collaborative International Dictionary of English v.0.48:
liberating \liberating\ adj.
   giving freedom from restriction or restraint.
   Syn: emancipating, emancipative, freeing.
        [WordNet 1.5 +PJC]
The Collaborative International Dictionary of English v.0.48:
Liberate \Lib"er*ate\ (-[=a]t), v. t. [imp. & p. p. Liberated
   (-[=a]`t[e^]d); p. pr. & vb. n. Liberating
   (-[=a]`t[i^]ng).] [L. liberatus, p. p. of liberare to free,
   fr. liber free. See Liberal, a., and cf. Deliver.]
   To release from restraint or bondage; to set at liberty; to
   free; to manumit; to disengage; as, to liberate a slave or
   prisoner; to liberate the mind from prejudice; to liberate
   gases.
   [1913 Webster]
   Syn: To deliver; free; release. See Deliver.
        [1913 Webster]