liberal, liberalist, progressive -- (a person who favors a political philosophy of progress and reform and the protection of civil liberties)
Overview of adj progressive
The adj progressive has 6 senses
progressive -- (favoring or promoting progress; "progressive schools")
progressive, reformist, reform-minded -- (favoring or promoting reform (often by government action))
progressive -- ((of taxes) adjusted so that the rate increases as the amount of income increases)
progressive -- (gradually advancing in extent)
progressive -- ((of a card game or a dance) involving a series of sections for which the participants successively change place or relative position; "progressive euchre"; "progressive tournaments")
progressive -- (advancing in severity; "progressive paralysis")