noun a tense of verbs used in describing action that is on-going
noun a person who favors a political philosophy of progress and reform and the protection of civil liberties
adjective favoring or promoting progress
adjective favoring or promoting reform (often by government action)
adjective (of taxes) adjusted so that the rate increases as the amount of income increases
adjective gradually advancing in extent
adjective (of a card game or a dance) involving a series of sections for which the participants successively change place or relative position
adjective advancing in severity
Source: WordNet 3.1, Princeton University
