The Collaborative International Dictionary
Liberalized
Liberalize \Lib"er*al*ize\ (l[i^]b"[~e]r*al*[imac]z), v. t. [imp. & p. p. Liberalized (-[imac]zd); p. pr. & vb. n. Liberalizing (-[imac]`z[i^]ng).] [Cf. F. lib['e]raliser.] To make liberal; to free from narrow views or prejudices; to make less strict.
To open and to liberalize the mind.
--Burke.
Wiktionary
liberalized
vb. (en-past of: liberalize)