[1] : The Collaborative International Dictionary of English v.0.48

progressive \progress"ive\, a. cf. f. progressif.
   1913 webster
   1. moving forward; proceeding onward; advancing; evincing
      progress; increasing; as, progressive motion or course; --
      opposed to retrograde.
      1913 webster

   2. improving; as, art is in a progressive state.
      1913 webster

   3. u. s. history of or pertaining to the progressive party.
      webster 1913 suppl.

   4. favoring improvement, change, progress, or reform,
      especially in a political context; -- used of people.
      contrasted with conservative.
      pjc

   note: the term progressive is sometimes used to describe the
         views of a politician, where liberal might have been
         used at one time, in communities where the term liberal
         has come to connote extreme views.
         pjc

   5. disposed toward adopting new methods in government or
      education, holding tolerant and liberal ideas, and
      generally favoring improvement in civic life; -- of towns
      and communities.
      pjc

   progressive euchre or progressive whist, a way of playing
      at card parties, by which after every game, the losers at
      the first table go to the last table, and the winners at
      all the tables, except the first, move up to the next
      table.

   progressive muscular atrophy med., a nervous disorder
      characterized by continuous atrophy of the muscles.
      1913 webster -- progress"ively, adv. --
      progress"iveness, n.
      1913 webster
see also:
retrograde conservative liberal progressive euchre progressive whist progressive muscular atrophy 
progress"ively progress"iveness 

[2] : WordNet (r) 2.0

progressive
     adj 1: favoring or promoting progress; "progressive schools" ant:
            regressive
     2: favoring or promoting reform often by government action
        syn: reformist, reform-minded
     3: of taxes adjusted so that the rate increases as the amount
        increases ant: regressive
     4: gradually advancing in extent
     5: advancing in severity; "progressive paralysis"
     n 1: a tense of verbs used in describing action that is on-going
          syn: progressive tense, imperfect, imperfect tense,
           continuous tense
     2: a person who favors a political philosophy of progress and
        reform and the protection of civil liberties syn: liberal
        ant: conservative
see also:
regressive reformist reform-minded progressive tense imperfect imperfect tense 
continuous tense liberal conservative 

[3] : Moby Thesaurus II by Grady Ward, 1.0

119 moby thesaurus words for "progressive":
   fabian, a la mode, advanced, advancing, ameliorative, ascending,
   avant-garde, axial, back, back-flowing, backward, bettering,
   catenary, consecutive, contemporary, continuing, continuous,
   descending, developing, down-trending, downward, drifting, dynamic,
   extremist, far out, fashionable, flowing, fluent, flying, forward,
   forward-looking, go-ahead, going, gradual, growing, gyrational,
   gyratory, improving, in, increasing, left, left of center,
   left-wing, left-winger, leftist, liberal, liberalist, liberalistic,
   lineal, linear, looking up, meliorative, meliorist, mending, mod,
   modern, modernistic, modernized, modish, mounting, moving,
   newfashioned, now, on the left, on the lift, on the mend, oncoming,
   ongoing, onward, ordinal, passing, plunging, present-day,
   present-time, proceeding, progressing, progressionist, progressist,
   progressivist, progressivistic, radical, reflowing, refluent,
   reformer, reformist, regressive, retrogressive, revisionist,
   revolutionary, rising, rotary, rotational, rotatory, running,
   rushing, sequent, sequential, serial, seriate, sideward, sinking,
   soaring, step by step, streaming, streamlined, successional,
   successive, twentieth-century, ultra-ultra, ultramodern,
   up-to-date, up-to-datish, up-to-the-minute, up-trending, upward,
   utopian, utopist, way out, welfare stater

Progressive >> P Words
Progressive, definition of term: Progressive
progressive_pag1.html

Progressive Tax >> P Words
Progressive Tax, definition of term: Progressive Tax
progressive+tax_pag1.html

Progressive Par >> P Words
Progressive Par, definition of term: Progressive Par
progressive+par_pag1.html