What's the adjective for liberalize? Here's the word you're looking for.
Included below are past participle and present participle forms for the
verbs liberate and liberalise which may be used as adjectives within certain contexts.
liberal
(now rare outside set phrases) Pertaining to those arts and sciences the study of which are considered suitable for free people (as opposed to servile, vocational, mechanical training); worthy, lofty.
“He obtains the profit of his libertine pleasures while maintaining his social legitimacy and acceptance within the bourgeois society to which he belongs.”
liberating
That serves to liberate, especially to free the mind to accept new ideas.