Progressive

Full definition of progressive

Favouring or promoting progress; advanced.
Gradually advancing in extent; increasing.
Promoting or favoring progress towards improved conditions or new policies, ideas or methods.a progressive politicianprogressive business leadership
Of or relating to progressive education.a progressive school
(of an income tax or other tax) Increasing in rate as the taxable amount increases.
Advancing in severity.progressive paralysis
liberal (politically)
grammar continuous

(plural progressives)

A person who actively favors or strives for progress towards improved conditions, as in society or government.
(grammar) A progressive verb.