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Definition of revolution : 1. A fundamental change in political organization, or in a government or constitution; the overthrow or renunciation of one government, and the substitution of another, by the governed.
2. A total or radical change; as, a revolution in one's circumstances or way of living.
3. Return to a point before occupied, or to a point relatively the same; a rolling back; return; as, revolution in an ellipse or spiral.
4. The act of revolving, or turning round on an axis or a center; the motion of a body round a fixed point or line; rotation; as, the revolution of a wheel, of a top, of the earth on its axis, etc.
5. The motion of a point, line, or surface about a point or line as its center or axis, in such a manner that a moving point generates a curve, a moving line a surface ( called a surface of revolution), and a moving surface a solid ( called a solid of revolution); as, the revolution of a right- angled triangle about one of its sides generates a cone; the revolution of a semicircle about the diameter generates a sphere.
6. The motion of any body, as a planet or satellite, in a curved line or orbit, until it returns to the same point again, or to a point relatively the same; -- designated as the annual, anomalistic, nodical, sidereal, or tropical revolution, according as the point of return or completion has a fixed relation to the year, the anomaly, the nodes, the stars, or the tropics; as, the revolution of the earth about the sun; the revolution of the moon about the earth.
7. The space measured by the regular return of a revolving body; the period made by the regular recurrence of a measure of time, or by a succession of similar events.

Synonyms:

cabal, insubordination, reformation, order, round, tumult, rising, apostasy, bloodshed, rotary motion, 9/11, civil disobedience, overturn, revolve, strike, transition, plot, spin, mutation, violence, twirl, about-face, riot, cycle, reel, turmoil, rotate, overthrow, destruction, law, metamorphosis, insurgence, disorder, anarchy, throe, bioterrorism, unrest, revolving, reversal, convulsion, junta, row, orbit, transmutation, coup, renewal, vicissitude, strife, repetition, diversity, sedition, alteration, disturbance, circuit, renewing, debacle, cataclysm, variety, turbulence, whirling, barricade, substitution, variation, subversion, pirouette, epoch, insurgency, twist, 7/7, wriggle, agitation, regeneration, change, geometry, outbreak, swing, innovation, secession, whirl, insurrection, boycott, swirl, novelty, uproar, reconstruction, disintegration, resist, circle, conversion, foment, agriterrorism, circumvolution, turn, roll, wheel, transformation

effect, evolution, correction, adjustment, reform, trend, shake-up

rolling

circumnavigation, circulation, rotation, gyration

upheaval, restructuring, uprising, upset, rebellion, revolt, overturning, mutiny

Usage examples:

• You would like to do something right here and now, without waiting for the social revolution. - "The Book of Life: Vol. I Mind and Body; Vol. II Love and Society", Upton Sinclair.
• They do not propose a revolution in its methods, but to put fresh life into it by seeing things as they are. - "English Literature and Society in the Eighteenth Century", Leslie Stephen.
• But if that be impossible, then by all means let us have revolution in its other sense. - "The Air Trust", George Allan England.