3 definitions found From The Collaborative International Dictionary of English v.0.44 [gcide]: Progression \Pro*gres"sion\, noun [L. progressio: cf. F. progression.] 1. The act of moving forward; a proceeding in a course; motion onward. 2. Course; passage; lapse or process of time. I hope, in a short progression, you will be wholly immerged in the delices and joys of religion. --Evelyn. 3. (Math.) Regular or proportional advance in increase or decrease of numbers; continued proportion, arithmetical, geometrical, or harmonic. 4. (Mus.) A regular succession of tones or chords; the movement of the parts in harmony; the order of the modulations in a piece from key to key. {Arithmetical progression}, a progression in which the terms increase or decrease by equal differences, as the numbers [lbrace2]2, 4, 6, 8, 1010, 8, 6, 4, 2[rbrace2] by the difference 2. {Geometrical progression}, a progression in which the terms increase or decrease by equal ratios, as the numbers [lbrace2]2, 4, 8, 16, 32, 6464, 32, 16, 8, 4, 2[rbrace2] by a continual multiplication or division by 2. {Harmonic progression}, a progression in which the terms are the reciprocals of quantities in arithmetical progression, as 1/2, 1/4, 1/6, 1/8, 1/10. From WordNet (r) 2.0 [wn]: progression noun 1: a series with a definite pattern of advance [syn: {patterned advance}] 2: a movement forward; "he listened for the progress of the troops" [syn: {progress}, {advance}] 3: the act of moving forward toward a goal [syn: {progress}, {procession}, {advance}, {advancement}, {forward motion}, {onward motion}] From Moby Thesaurus II by Grady Ward, 1.0 [moby-thes]: 157 Moby Thesaurus words for "progression": Great Leap Forward, Indian file, accomplishment, advance, advancement, alternation, amelioration, amendment, amplification, array, articulation, ascension, ascent, bank, bettering, betterment, blossoming, boost, broadening, buzz, catena, catenation, chain, chain reaction, chaining, coming after, concatenation, connection, consecution, consecutiveness, continualness, continuance, continuation, continuity, continuum, course, cycle, descent, development, developmental change, drone, elaboration, elevation, endless belt, endless round, endurance, enhancement, enlargement, enrichment, eugenics, euthenics, evolution, evolutionary change, evolvement, evolving, expansion, explication, extending, extension, file, filiation, flow, flowering, following, furtherance, gamut, geometrical progression, gradation, gradual change, growth, headway, hum, improvement, intensification, lengthening, lift, line, lineage, logical sequence, maintenance, maturation, melioration, mend, mending, monotone, natural development, natural growth, nexus, nonviolent change, order, order of succession, pendulum, periodicity, perpetuation, perseverance, persistence, pickup, plenum, posteriority, postposition, powder train, preferment, procession, progress, prolongation, promotion, protraction, pursuance, queue, range, rank, recovery, recurrence, repetition, restoration, reticulation, revival, ripening, rise, rotation, round, routine, row, run, scale, sequel, sequence, series, single file, spectrum, spread, spreading, staying power, straight course, string, subjunction, succession, successiveness, suffixation, sustained action, sustenance, swath, thread, tier, train, unfolding, uninterrupted course, unremittingness, upbeat, upgrowth, uplift, upping, upswing, uptrend, upward mobility, way, windrow

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