1. (n.) 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.

2. (n.) Return to a point before occupied, or to a point relatively the same; a rolling back; return; as, revolution in an ellipse or spiral.

3. (n.) 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.

4. (n.) 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.

5. (n.) 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. (n.) A total or radical change; as, a revolution in one's circumstances or way of living.

7. (n.) 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.

Fabianism about-face accommodation adaptation adjustment alteration ambit amelioration anarchism anarcho-syndicalism anarchy angular momentum angular motion angular velocity antinomianism apostasy arsis axial motion beat betterment bout bowling break breakup capsizal capsize cataclysm centrifugation change change of heart changeableness chaos circle circuit circulation circumgyration circumrotation circumvolution civil disorder confusion constructive change continuity conversion coup d'etat course crack-up criminal syndicalism culbute cycle defection degeneration degenerative change deterioration deviation diastole difference diffusion discontinuity disintegration disorder disorderliness disorganization dispersal disruption dissolution divergence diversification diversion diversity downbeat emeute exfoliation extremism fitting flip-flop fragmentation full circle general uprising gradual change gradualism gyration gyre improvement insurgence insurgency insurrection jacquerie lap levee en masse loop lynch law melioration meliorism metamorphosis misrule mitigation mob law mob rule mobocracy modification modulation mutiny nihilism ochlocracy orbit outbreak overset overthrow overturn peasant revolt pirouette pivoting primal chaos progressivism pulse putsch qualification radical change radical reform radicalism re-creation realignment rebellion redesign reel reeling reform reformation reformism regeneration remaking renewal reorganization reshaping restructuring reversal revisionism revival revivification revolt revolute revolve riot rising roll rolling rotation rotational motion round round trip rounds scaling scattering series shake-up shattering shift somersault somerset spell spill spin spinning subversion sudden change swinging swirling switch swiveling syndicalism systole take-over thesis tohubohu total change tour transformation transition trolling trundling turbination turmoil turn turnabout turning turnover twirl unruliness upbeat upheaval uprising upset upturn utopianism variation variety violent change volutation volution walk wheel wheeling whir whirl whirling worsening